7Baggers

Microchip Technology Incorporated
(NASDAQ:MCHP) 

MCHP stock logo

Microchip Technology Incorporated develops, manufactures, and sells semiconductor products for various embedded control applications in the Americas, Europe, and Asia. The company offers general purpose and specialized 8-bit, 16-bit, and 32-bit microcontrollers; 32-bit embedded microprocessors; and ...

Founded: 1989
Full Time Employees: 18,000
Sector: Technology
Industry: Semiconductors

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Quarterly
Annual
    Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-11-08 2010-09-30 
                                                                  
      net sales
    1,140,400,000 1,075,500,000 970,500,000 1,026,000,000 1,163,800,000 1,241,300,000 1,325,800,000 1,765,700,000 2,254,300,000 2,288,600,000 2,232,700,000 2,169,200,000 2,073,200,000 1,963,600,000 1,844,200,000 1,757,500,000 1,649,800,000 1,569,400,000 1,467,100,000 1,352,100,000 1,309,500,000 1,309,700,000 1,326,400,000 1,287,400,000 1,337,800,000 1,322,600,000 1,329,800,000 1,374,700,000 1,432,500,000 1,212,500,000 1,002,315,000 994,205,000 1,012,139,000 972,141,000 902,666,000 834,366,000 871,364,000 799,411,000 557,647,000 540,344,000 541,391,000 533,952,000 543,207,000 528,710,000 546,243,000 528,876,000 493,384,000 482,372,000 492,669,000 462,792,000 430,144,000 416,047,000 383,298,000 352,134,000 338,911,000 329,156,000 340,602,000 374,507,000 379,985,000 367,824,000 382,271,000 382,271,000 
      yoy
    -2.01% -13.36% -26.80% -41.89% -48.37% -45.76% -40.62% -18.60% 8.74% 16.55% 21.07% 23.43% 25.66% 25.12% 25.70% 29.98% 25.99% 19.83% 10.61% 5.03% -2.12% -0.98% -0.26% -6.35% -6.61% 9.08% 32.67% 38.27% 41.53% 24.72% 11.04% 19.16% 16.16% 21.61% 61.87% 54.41% 60.95% 49.72% 2.66% 2.20% -0.89% 0.96% 10.10% 9.61% 10.87% 14.28% 14.70% 15.94% 28.53% 31.42% 26.92% 26.40% 12.54% -5.97% -10.81% -10.51% -10.90% -2.03%     
      qoq
    6.03% 10.82% -5.41% -11.84% -6.24% -6.37% -24.91% -21.67% -1.50% 2.50% 2.93% 4.63% 5.58% 6.47% 4.93% 6.53% 5.12% 6.97% 8.51% 3.25% -0.02% -1.26% 3.03% -3.77% 1.15% -0.54% -3.27% -4.03% 18.14% 20.97% 0.82% -1.77% 4.11% 7.70% 8.19% -4.25% 9.00% 43.35% 3.20% -0.19% 1.39% -1.70% 2.74% -3.21% 3.28% 7.19% 2.28% -2.09% 6.46% 7.59% 3.39% 8.54% 8.85% 3.90% 2.96% -3.36% -9.05% -1.44% 3.31% -3.78% 0.00%  
      cost of sales
    502,500,000 498,800,000 469,400,000 464,600,000 495,300,000 504,400,000 535,900,000 645,700,000 726,900,000 730,200,000 713,400,000 698,400,000 675,300,000 653,700,000 623,800,000 604,200,000 581,500,000 561,800,000 540,300,000 506,300,000 501,600,000 511,400,000 512,500,000 501,900,000 510,300,000 507,400,000 509,400,000 595,100,000 743,200,000 570,500,000 387,207,000 387,146,000 398,045,000 387,702,000 369,840,000 369,107,000 460,743,000 450,921,000 254,868,000 247,626,000 240,441,000 224,935,000 229,575,000 226,751,000 238,789,000 222,357,000 202,798,000 199,652,000 203,806,000 196,218,000 191,105,000 215,619,000 189,103,000 149,055,000 145,038,000 145,377,000 145,608,000 154,759,000 154,394,000 151,427,000 157,266,000 157,266,000 
      gross profit
    637,900,000 576,700,000 501,100,000 561,400,000 668,500,000 736,900,000 789,900,000 1,120,000,000 1,527,400,000 1,558,400,000 1,519,300,000 1,470,800,000 1,397,900,000 1,309,900,000 1,220,400,000 1,153,300,000 1,068,300,000 1,007,600,000 926,800,000 845,800,000 807,900,000 798,300,000 813,900,000 785,500,000 827,500,000 815,200,000 820,400,000 779,600,000 689,300,000 642,000,000 615,108,000 607,059,000 614,094,000 584,439,000 532,826,000 465,259,000 410,621,000 348,490,000 225,671,250 292,718,000 300,950,000 309,017,000 228,983,000 301,959,000 307,454,000 306,519,000 209,539,250 282,720,000 288,863,000 266,574,000 149,855,000 200,428,000 194,195,000 203,079,000 149,630,250 183,779,000 194,994,000 219,748,000 162,211,250 216,397,000 225,005,000 225,005,000 
      yoy
    -4.58% -21.74% -36.56% -49.88% -56.23% -52.71% -48.01% -23.85% 9.26% 18.97% 24.49% 27.53% 30.85% 30.00% 31.68% 36.36% 32.23% 26.22% 13.87% 7.68% -2.37% -2.07% -0.79% 0.76% 20.05% 26.98% 33.37% 28.42% 12.25% 9.85% 15.44% 30.48% 49.55% 67.71% 136.11% 58.94% 36.44% 12.77% -1.45% -3.06% -2.12% 0.81% 9.28% 6.80% 6.44% 14.98% 39.83% 41.06% 48.75% 31.27% 0.15% 9.06% -0.41% -7.59% -7.76% -15.07% -13.34% -2.34%     
      qoq
    10.61% 15.09% -10.74% -16.02% -9.28% -6.71% -29.47% -26.67% -1.99% 2.57% 3.30% 5.21% 6.72% 7.33% 5.82% 7.96% 6.02% 8.72% 9.58% 4.69% 1.20% -1.92% 3.62% -5.08% 1.51% -0.63% 5.23% 13.10% 7.37% 4.37% 1.33% -1.15% 5.07% 9.69% 14.52% 13.31% 17.83% 54.42% -22.90% -2.74% -2.61% 34.95% -24.17% -1.79% 0.31% 46.28% -25.88% -2.13% 8.36% 77.89% -25.23% 3.21% -4.37% 35.72% -18.58% -5.75% -11.26% 35.47% -25.04% -3.83% 0.00%  
      gross margin %
    55.94% 53.62% 51.63% 54.72% 57.44% 59.37% 59.58% 63.43% 67.75% 68.09% 68.05% 67.80% 67.43% 66.71% 66.18% 65.62% 64.75% 64.20% 63.17% 62.55% 61.70% 60.95% 61.36% 61.01% 61.86% 61.64% 61.69% 56.71% 48.12% 52.95% 61.37% 61.06% 60.67% 60.12% 59.03% 55.76% 47.12% 43.59% 40.47% 54.17% 55.59% 57.87% 42.15% 57.11% 56.29% 57.96% 42.47% 58.61% 58.63% 57.60% 34.84% 48.17% 50.66% 57.67% 44.15% 55.83% 57.25% 58.68% 42.69% 58.83% 58.86% 58.86% 
      research and development
    262,300,000 255,500,000 255,200,000 246,200,000 240,700,000 241,700,000 240,300,000 266,000,000 292,600,000 298,500,000 298,300,000 282,400,000 268,600,000 269,000,000 259,100,000 245,400,000 246,200,000 238,400,000 228,500,000 210,100,000 199,800,000 198,000,000 221,800,000 217,100,000 219,800,000 219,100,000 214,700,000 217,700,000 221,900,000 171,900,000 133,644,000 131,555,000 133,621,000 130,480,000 127,182,000 132,433,000 137,795,000 147,883,000 95,638,000 97,022,000 95,256,000 84,680,000 87,662,000 88,697,000 88,814,000 84,370,000 77,363,000 76,341,000 78,254,000 73,085,000 70,438,000 71,377,000 64,082,000 48,826,000 47,713,000 44,256,000 45,383,000 45,298,000 44,159,000 42,198,000 43,720,000 43,720,000 
      selling, general and administrative
    172,300,000 159,300,000 152,000,000 158,200,000 157,000,000 150,500,000 161,800,000 172,200,000 196,600,000 203,600,000 203,500,000 202,900,000 202,400,000 188,900,000 187,200,000 177,500,000 179,900,000 174,300,000 165,100,000 154,200,000 144,700,000 146,300,000 165,700,000 170,700,000 172,300,000 167,900,000 167,400,000 174,800,000 176,600,000 164,000,000 114,480,000 109,059,000 114,289,000 114,272,000 111,160,000 111,017,000 120,129,000 157,505,000 78,293,000 76,270,000 80,258,000 66,849,000 67,778,000 66,668,000 71,114,000 69,255,000 65,344,000 66,856,000 69,368,000 65,710,000 64,744,000 69,368,000 71,767,000 57,920,000 50,754,000 52,056,000 51,991,000 57,590,000 56,885,000 56,100,000 57,584,000 57,584,000 
      amortization of acquired intangible assets
    108,100,000 107,600,000 122,600,000 122,600,000 122,700,000 123,000,000 151,200,000 151,300,000 151,400,000 151,500,000 167,400,000 167,400,000 167,500,000 167,600,000 215,500,000 215,700,000 215,700,000 215,600,000 232,400,000 231,600,000 232,900,000 235,400,000 248,500,000 248,700,000 248,200,000 248,500,000 176,900,000 193,700,000 169,900,000 133,700,000 122,739,000 121,003,000 120,913,000 120,845,000 94,311,000 82,791,000 80,394,000 80,171,000 48,132,000 48,312,000 43,840,000 34,612,000 47,087,000 47,582,000 45,433,000 36,644,000 21,309,000 21,804,000 23,744,000 27,677,000 39,922,000 39,711,000 27,858,000          
      special charges and other
    6,300,000 22,200,000 1,900,000 3,500,000 1,500,000 2,600,000           10,200,000 10,500,000 -7,200,000 4,300,000 4,300,000 300,000   3,600,000 8,100,000   18,200,000 40,100,000 188,000 196,000 19,872,000                              
      operating expenses
    549,000,000 544,600,000 601,400,000 530,500,000 521,900,000 517,800,000 536,400,000 590,600,000 642,400,000 655,300,000 671,300,000 659,200,000 642,800,000 608,600,000 670,900,000 638,300,000 652,000,000 638,800,000 618,800,000 600,200,000 581,700,000 580,000,000 653,200,000 654,300,000 643,900,000 643,600,000 535,700,000 584,900,000 586,600,000 509,700,000 371,051,000 361,813,000 388,695,000 362,841,000 378,739,000 347,185,000 347,861,000 407,594,000 157,571,500 216,586,000                       
      operating income
    88,900,000 32,100,000 -100,300,000 30,900,000 146,600,000 219,100,000 253,500,000 529,400,000 885,000,000 903,100,000 848,000,000 811,600,000 755,100,000 701,300,000 549,500,000 515,000,000 416,300,000 368,800,000 308,000,000 245,600,000 226,200,000 218,300,000 160,700,000 131,200,000 183,600,000 171,600,000 284,700,000 194,700,000 102,700,000 132,300,000 244,057,000 245,246,000 225,399,000 221,598,000 154,087,000 118,074,000 62,760,000 -59,104,000 79,946,000 76,132,000 74,948,000 121,319,000 110,347,000 98,009,000 101,318,000 115,946,000 126,037,000 116,918,000 117,508,000 98,401,000 56,713,000 17,413,000 8,094,000 96,333,000 93,909,000 88,127,000 97,620,000 116,860,000 124,361,000 117,453,000 123,143,000 123,143,000 
      yoy
    -39.36% -85.35% -139.57% -94.16% -83.44% -75.74% -70.11% -34.77% 17.20% 28.78% 54.32% 57.59% 81.38% 90.16% 78.41% 109.69% 84.04% 68.94% 91.66% 87.20% 23.20% 27.21% -43.55% -32.61% 78.77% 29.71% 16.65% -20.61% -54.44% -40.30% 58.39% 107.71% 259.14% -474.93% 92.74% 55.09% -16.26% -148.72% -27.55% -22.32% -26.03% 4.63% -12.45% -16.17% -13.78% 17.83% 122.24% 571.44% 1351.79% 2.15% -39.61% -80.24% -91.71% -17.57% -24.49% -24.97% -20.73% -5.10%     
      qoq
    176.95% -132.00% -424.60% -78.92% -33.09% -13.57% -52.12% -40.18% -2.00% 6.50% 4.48% 7.48% 7.67% 27.63% 6.70% 23.71% 12.88% 19.74% 25.41% 8.58% 3.62% 35.84% 22.48% -28.54% 6.99% -39.73% 46.22% 89.58% -22.37% -45.79% -0.48% 8.81% 1.72% 43.81% 30.50% 88.14% -206.19% -173.93% 5.01% 1.58% -38.22% 9.94% 12.59% -3.27% -12.62% -8.01% 7.80% -0.50% 19.42% 73.51% 225.69% 115.13% -91.60% 2.58% 6.56% -9.72% -16.46% -6.03% 5.88% -4.62% 0.00%  
      operating margin %
    7.80% 2.98% -10.33% 3.01% 12.60% 17.65% 19.12% 29.98% 39.26% 39.46% 37.98% 37.41% 36.42% 35.72% 29.80% 29.30% 25.23% 23.50% 20.99% 18.16% 17.27% 16.67% 12.12% 10.19% 13.72% 12.97% 21.41% 14.16% 7.17% 10.91% 24.35% 24.67% 22.27% 22.79% 17.07% 14.15% 7.20% -7.39% 14.34% 14.09% 13.84% 22.72% 20.31% 18.54% 18.55% 21.92% 25.55% 24.24% 23.85% 21.26% 13.18% 4.19% 2.11% 27.36% 27.71% 26.77% 28.66% 31.20% 32.73% 31.93% 32.21% 32.21% 
      interest income
    3,600,000 4,900,000 2,700,000 1,700,000 2,000,000 2,800,000 2,500,000 2,000,000 1,600,000 1,500,000 1,000,000 800,000 200,000 100,000  100,000 100,000 300,000 900,000 200,000 300,000 300,000 500,000 600,000 1,000,000 700,000 800,000 700,000 900,000 5,700,000 7,559,000 6,306,000 4,609,000 3,526,000 1,314,000 501,000 445,000 819,000 5,837,000 6,677,000 6,405,000 5,528,000 5,330,000 4,924,000 4,531,000 4,742,000 4,309,000 4,241,000 4,010,000 3,925,000 3,671,000 3,813,000 3,744,000 4,332,000 5,584,000 4,374,000 4,028,000 4,006,000 3,631,000 3,955,000 4,070,000 4,070,000 
      interest expense
    -56,300,000 -57,400,000 -69,600,000 -68,700,000 -59,100,000 -61,800,000 -55,100,000 -49,200,000 -46,800,000 -47,200,000 -47,500,000 -52,800,000 -53,300,000 -50,300,000 -57,800,000 -62,100,000 -64,800,000 -72,300,000 -78,000,000 -86,500,000 -93,300,000 -99,100,000 -115,400,000 -119,700,000 -129,600,000 -132,600,000 -136,200,000 -137,600,000 -138,600,000 -90,400,000 -50,307,000 -49,744,000 -49,459,000 -49,490,000 -41,661,000 -35,143,000 -35,126,000 -34,416,000 -26,815,000 -27,507,000 -25,644,000 -24,052,000 -20,114,000 -14,223,000 -14,019,000 -13,678,000 -11,961,000 -12,545,000 -12,354,000 -11,856,000 -9,932,000 -11,077,000 -10,758,000 -9,148,000 -8,346,000 -8,994,000 -8,911,000 -8,015,000 -8,065,000 -7,672,000 -8,045,000 -8,045,000 
      other income
    -4,400,000 4,600,000 300,000 -9,700,000 2,000,000 1,700,000 -1,200,000 2,100,000 -3,100,000  300,000 2,600,000 -800,000 1,700,000 -700,000 4,600,000 -1,600,000 500,000   700,000 -3,200,000   -1,400,000 2,700,000 10,200,000 -2,500,000 -200,000 -9,800,000 -13,033,000 -2,962,000 5,743,000 4,452,000 1,996,000 121,000 -2,789,000 2,010,000 -1,299,000 -5,088,000 -1,696,000 16,947,000 17,277,000 -2,457,000 -1,091,000 13,000 -195,000 3,824,000 2,143,000 126,000             
      income before income taxes
    31,800,000 -15,800,000 -168,300,000 -46,100,000 91,500,000 161,800,000 199,700,000 484,300,000 833,600,000 848,300,000 801,800,000 762,200,000 699,100,000 646,600,000 479,200,000 441,500,000 264,800,000 297,000,000 144,400,000 16,800,000 88,800,000 89,500,000 45,800,000 10,600,000 53,500,000 40,500,000 151,200,000 55,000,000 -39,400,000 37,700,000 188,209,000 196,650,000 186,236,000 166,205,000 71,802,000 83,498,000 25,234,000 -90,747,000 55,920,000 50,158,000 53,957,000 119,565,000 70,971,500 86,191,000 90,704,000 106,991,000 78,532,500 112,588,000 111,206,000 90,336,000 25,668,750 9,692,000 2,119,000 90,864,000         
      income tax provision
    -9,900,000 2,800,000 -13,700,000 7,500,000 13,100,000 32,500,000 45,000,000 65,100,000 167,000,000 181,900,000 197,800,000 181,900,000 152,900,000 139,400,000 41,300,000 88,700,000 22,800,000 44,200,000 28,400,000 -19,400,000 15,200,000 -34,100,000 -54,100,000 -300,500,000 -55,400,000 -10,200,000 -23,500,000 5,800,000 -135,700,000 2,000,000 41,466,000 447,736,000 -2,920,000 -4,382,000 -65,106,000 -23,837,000 -10,340,000 18,478,000 -9,742,000 -11,053,000 -10,942,000 -10,895,000 -36,559,000 1,393,000 -1,334,000 17,082,000 6,729,000 7,187,000 11,400,000 11,757,000 -10,188,000 -481,000 23,303,000 12,154,000 11,286,000 6,188,000 10,983,000 14,533,000 -10,583,000 12,461,000 16,250,000 16,250,000 
      net income
    41,700,000 -18,600,000 -154,600,000 -53,600,000 78,400,000 129,300,000 154,700,000 419,200,000 666,600,000 666,400,000 604,000,000 580,300,000 546,200,000 507,200,000 437,900,000 352,800,000 242,000,000 252,800,000 116,000,000 36,200,000 73,600,000 123,600,000 99,900,000 311,100,000 108,900,000 50,700,000 174,700,000 49,200,000 96,300,000 35,700,000 146,743,000 -251,086,000 189,156,000 170,587,000 136,908,000 107,175,000 33,919,000 -113,363,000 64,142,500 61,211,000 64,899,000 130,460,000 66,686,250 84,798,000 92,038,000 89,909,000 70,946,500 105,401,000 99,806,000 78,579,000 16,924,750 10,173,000 -21,184,000 78,710,000 64,017,250 77,489,000 79,287,000 99,293,000 73,355,500 100,776,000 103,080,000 103,080,000 
      yoy
    -46.81% -114.39% -199.94% -112.79% -88.24% -80.60% -74.39% -27.76% 22.04% 31.39% 37.93% 64.48% 125.70% 100.63% 277.50% 874.59% 228.80% 104.53% 16.12% -88.36% -32.42% 143.79% -42.82% 532.32% 13.08% 42.02% 19.05% -119.59% -49.09% -79.07% 7.18% -334.28% 457.67% -250.48% 113.44% 75.09% -47.74% -186.89% -3.81% -27.82% -29.49% 45.10% -6.00% -19.55% -7.78% 14.42% 319.19% 936.09% -571.14% -0.17% -73.56% -86.87% -126.72% -20.73% -12.73% -23.11% -23.08% -3.67%     
      qoq
    -324.19% -87.97% 188.43% -168.37% -39.37% -16.42% -63.10% -37.11% 0.03% 10.33% 4.08% 6.24% 7.69% 15.83% 24.12% 45.79% -4.27% 117.93% 220.44% -50.82% -40.45% 23.72% -67.89% 185.67% 114.79% -70.98% 255.08% -48.91% 169.75% -75.67% -158.44% -232.74% 10.89% 24.60% 27.74% 215.97% -129.92% -276.74% 4.79% -5.68% -50.25% 95.63% -21.36% -7.87% 2.37% 26.73% -32.69% 5.61% 27.01% 364.28% 66.37% -148.02% -126.91% 22.95% -17.39% -2.27% -20.15% 35.36% -27.21% -2.24% 0.00%  
      net income margin %
    3.66% -1.73% -15.93% -5.22% 6.74% 10.42% 11.67% 23.74% 29.57% 29.12% 27.05% 26.75% 26.35% 25.83% 23.74% 20.07% 14.67% 16.11% 7.91% 2.68% 5.62% 9.44% 7.53% 24.16% 8.14% 3.83% 13.14% 3.58% 6.72% 2.94% 14.64% -25.25% 18.69% 17.55% 15.17% 12.85% 3.89% -14.18% 11.50% 11.33% 11.99% 24.43% 12.28% 16.04% 16.85% 17.00% 14.38% 21.85% 20.26% 16.98% 3.93% 2.45% -5.53% 22.35% 18.89% 23.54% 23.28% 26.51% 19.30% 27.40% 26.97% 26.97% 
      dividends on series a preferred stock
    -27,800,000 -27,800,000                                                             
      net income attributable to common stockholders
    13,900,000 -46,400,000                                                             
      basic net income per common share
    30,000 -90,000 -300,000 -100,000 150,000 240,000 290,000 780,000 1,230,000 1,220,000 1,110,000 1,060,000 990,000 920,000 790,000 640,000 440,000 920,000 440,000 140,000 290,000 500,000 420,000 1,300,000 460,000 210,000 740,000 210,000 410,000 150,000                450 357.5 530 500 400 87.5 50 -110 410 335 400 420 520 392.5 540 550 550 
      diluted net income per common share
    30,000 -90,000 -290,000 -100,000 140,000 240,000 290,000 770,000 1,210,000 1,210,000 1,090,000 1,040,000 980,000 900,000 770,000 620,000 430,000 890,000 420,000 130,000 270,000 480,000 390,000 1,200,000 430,000 200,000 690,000 200,000 380,000 140,000                400 327.5 480 460 370 82.5 50 -110 390 315 380 400 490 382.5 510 540 540 
      dividends declared per common share
    455,000 455,000 455,000 455,000 454,000 452,000 450,000 439,000 410,000 383,000 358,000 328,000 301,000 276,000 253,000 232,000 218,500 413,000 390,000 368,500 368,000 367,500 367,000 366,500 366,000 365,500 365,000 364,500 364,000 363,500 1,447,914 362.5 362 361.5 361 360.5 360 359.5 359 358.5 358 357.5 357 356.5 356 355.5 355 354.5 354 353.5 353 352 351 350 349 348 347 346  689 343 343 
      basic common shares outstanding
    540,000,000 539,200,000 400,000 537,400,000 536,700,000 536,700,000 -1,000,000 540,800,000 543,100,000 545,100,000 -1,100,000 549,200,000 551,500,000 553,800,000 1,100,000 554,900,000 551,300,000 273,800,000 3,900,000 263,400,000 256,000,000 247,700,000 400,000 239,200,000 238,400,000 237,800,000 300,000 236,700,000 235,800,000 235,200,000 622,000 234,106,000 233,299,000 229,429,000 1,836,000 216,210,000 215,524,000 214,345,000 117,000 203,294,000 204,275,000 202,232,000 264,000 201,203,000 200,629,000 200,187,000 446,000 198,759,000 197,825,000 196,950,000 438,000 194,958,000 194,060,000 193,452,000 429,000 191,640,000 190,809,000 190,112,000 622,000 187,488,000 186,303,000 186,303,000 
      diluted common shares outstanding
    545,000,000 539,200,000 -4,800,000 537,400,000 542,000,000 542,800,000 -1,000,000 546,500,000 549,200,000 551,400,000 -1,100,000 555,400,000 558,300,000 561,500,000 -200,000 567,300,000 565,900,000 282,600,000 3,600,000 275,400,000 267,700,000 257,800,000 400,000 258,300,000 255,300,000 253,900,000 400,000 244,600,000 251,800,000 252,200,000 876,000 234,106,000 244,767,000 242,902,000 1,455,000 235,424,000 233,960,000 214,345,000 108,000 217,975,000 217,099,000 216,767,000 -872,000 223,487,000 225,284,000 224,527,000 1,687,000 219,089,000 216,475,000 212,266,000 1,223,000 204,405,000 194,060,000 203,700,000 833,000 203,291,000 200,199,000 204,567,000 2,371,000 196,255,000 190,704,000 190,704,000 
      loss on settlement of debt
      -1,400,000 -300,000     -3,100,000 -9,100,000   -2,100,000 -6,200,000 -11,800,000 -16,100,000 -85,200,000 -300,000 -85,600,000 -142,100,000 -45,100,000 -26,800,000 -3,400,000  -100,000 -1,900,000 -8,300,000 -200,000 -4,100,000                                  
      special charges (income) and other
          1,150,000 1,100,000 1,800,000 1,700,000 -1,525,000 6,500,000 4,300,000          7,375,000 17,800,000           13,130,500 20,944,000                           
      other income:
                                                                  
      special (income) charges and other
                 -16,900,000 5,100,000 -300,000           14,250,000 -1,300,000      -2,756,000                             
      other loss
                      -725,000 -400,000   -50,000 -1,500,000                                       
      includes share-based compensation expense as follows:
                                                                  
      losses on equity method investments
                                      -55,000 -55,000 -56,000 -56,000 -56,000 -56,000 -56,000 -177,000   -35,000 -32,000   -101,000 -260,000 -95,500 -229,000 -32,000 -121,000   -13,000 -61,000   -43,000 -43,000 
      losses on equity method investment
                              -50,000 -100,000 -100,000 -100,000 -41,750 -56,000 -56,000 -55,000                             
      loss on settlement of convertible debt
                                  -34,000 -2,140,000  -13,826,000                             
      net income from continuing operations
                                  146,743,000 -251,086,000 189,156,000 170,587,000 136,908,000 107,335,000 35,574,000 -109,225,000                 80,636,000 77,489,000 79,287,000 99,293,000 130,612,000 101,930,000 104,748,000 104,748,000 
      discontinued operations:
                                                                  
      loss from discontinued operations
                                       -191,000 -1,850,000 -5,473,000                         
      net loss from discontinued operations
                                       -160,000 -1,655,000 -4,138,000                     -1,283,250 -1,154,000 -1,668,000  
      less: net loss attributable to noncontrolling interests
                                             207,000 822,000 1,259,000 1,603,000                  
      net income attributable to microchip technology
                                      136,908,000 107,175,000 33,919,000 -113,363,000 64,194,250 61,211,000 64,899,000 130,667,000 67,401,750 86,057,000 93,641,000                  
      basic net income per common share attributable to microchip technology stockholders
                                          315 300 320 650 335 430 470                  
      diluted net income per common share attributable to microchip technology stockholders
                                          295 280 300 600 300 390 420                  
      special charges
                                        9,543,000 22,035,000   6,648,000 1,557,000 758,000 1,003,000 775,000 304,000 533,000 801,000  1,701,000 7,222,000 2,559,000 22,394,000      186,000 646,000 558,000 558,000 
      special (income) charges
                                          796,750 -5,018,000         -11,000      -165,000 -660,000       
      operating expenses:
                                                                  
      gains on equity method investments
                                              -188,000 -62,000   34,000 150,000       -135,000 14,000   -28,000 280,000   
      other
                                                      77,750 -228,000 1,071,000 -532,000 -315,500 156,000 -2,454,000 1,036,000 436,750 375,000 1,873,000 1,873,000 
      income from continuing operations before income taxes
                                                          91,922,000 83,677,000 90,270,000 113,826,000 120,029,000 114,391,000   
      loss from discontinued operations before income taxes
                                                              -1,343,000 -1,317,000 -1,756,000  
      basic net income per common share – continuing operations
                                                          420 400 420 520 690 540 560 560 
      basic net loss per common share – discontinued operations
                                                              -7.5 -10 -10  
      diluted net income per common share – continuing operations
                                                          390 380 400 490 650 520 550 550 
      diluted net loss per common share – discontinued operations
                                                              -7.5 -10 -10  
      see accompanying notes to condensed consolidated financial statements
                                                                  
      income from continuing operations before income before taxes
                                                                120,998,000 120,998,000 
      income from discontinued operations before income taxes
                                                                 -1,756,000 
      net income from discontinued operations
                                                                 -1,668,000 
      basic net income per common share – discontinued operations
                                                                 -10 
      diluted net income per common share – discontinued operations
                                                                 -10 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-11-08 2010-09-30 
                                                                    
        cash and cash equivalents
      236,800,000 566,500,000 771,700,000 586,000,000 286,100,000 315,100,000 319,700,000 281,000,000 256,600,000 271,200,000 234,000,000 288,900,000 304,800,000 377,100,000 317,400,000 313,500,000 253,300,000 277,700,000 280,000,000 370,700,000 368,300,000 378,200,000 401,000,000 397,100,000 401,800,000 434,000,000 428,600,000 432,200,000 459,700,000 635,200,000 901,300,000 672,079,000 826,407,000 773,036,000 908,684,000 663,938,000 489,988,000 600,526,000 2,092,751,000 331,451,000 539,078,000 563,547,000 607,815,000 456,339,000 481,439,000 617,770,000 466,603,000 375,100,000 344,202,000 403,231,000 528,334,000 465,293,000 436,735,000 779,848,000 635,755,000 605,725,000 675,129,000 651,383,000 703,924,000 500,616,000 423,721,000 423,721,000 
        accounts receivable
      746,200,000 765,500,000 689,700,000 857,200,000 1,044,300,000 1,095,800,000 1,143,700,000 1,398,100,000 1,706,200,000 1,465,000,000 1,305,300,000 1,175,000,000 1,133,200,000 1,145,000,000 1,072,600,000 930,100,000 985,600,000 1,000,700,000 997,700,000 893,800,000 903,700,000 894,300,000 934,000,000 807,500,000 848,600,000 936,800,000 880,600,000 544,800,000 668,800,000 789,400,000 563,700,000 553,135,000 545,416,000 528,954,000 478,373,000 475,093,000 451,042,000 435,511,000 290,183,000 248,006,000 281,063,000 277,033,000 273,937,000 242,595,000 287,473,000 286,699,000 242,405,000 224,273,000 230,493,000 232,262,000 229,955,000 177,502,000 230,457,000 174,685,000 170,201,000 149,277,000 142,409,000 196,254,000 181,202,000 187,267,000 202,754,000 202,754,000 
        inventories
      1,095,300,000 1,169,100,000 1,293,500,000 1,356,300,000 1,339,600,000 1,308,000,000 1,316,000,000 1,311,100,000 1,330,900,000 1,336,400,000 1,324,900,000 1,165,400,000 1,030,300,000 911,800,000 854,400,000 768,200,000 713,600,000 683,800,000 665,000,000 666,100,000 661,400,000 657,200,000 685,700,000 708,800,000 734,200,000 733,100,000 711,700,000 702,500,000 836,700,000 1,104,800,000 476,200,000 487,065,000 456,939,000 426,843,000 417,202,000 419,618,000 424,690,000 518,431,000 306,815,000 319,524,000 363,760,000 303,690,000 279,456,000 276,143,000 275,746,000 264,505,000 262,725,000 274,629,000 275,124,000 256,136,000 242,334,000 261,594,000 289,526,000 221,481,000 217,278,000 217,853,000 211,206,000 202,455,000 180,800,000 177,705,000 166,569,000 166,569,000 
        other current assets
      272,000,000 252,700,000 236,400,000 196,300,000 235,500,000 229,400,000 233,600,000 229,400,000 232,700,000 197,000,000 205,100,000 204,400,000 205,700,000 207,300,000 206,200,000 186,700,000 194,600,000 192,900,000 200,500,000 219,900,000 186,700,000 203,300,000 194,500,000 185,400,000 189,900,000 171,500,000 191,600,000 194,100,000 206,500,000 274,500,000 55,900,000 53,531,000 82,059,000 68,941,000 58,880,000 55,374,000 49,270,000 47,087,000 11,688,000 20,803,000 24,624,000 23,700,000 32,604,000 42,697,000 35,876,000 33,991,000 20,238,000 61,141,000 58,677,000 56,674,000 67,358,000 75,472,000 65,088,000 50,815,000 52,524,000 49,634,000 45,468,000 69,267,000 58,429,000 52,594,000 50,373,000 50,373,000 
        total current assets
      2,350,300,000 2,753,800,000 2,991,300,000 2,995,800,000 2,905,500,000 2,948,300,000 3,013,000,000 3,219,600,000 3,526,400,000 3,269,600,000 3,069,300,000 2,833,700,000 2,676,000,000 2,643,200,000 2,452,600,000 2,200,500,000 2,149,100,000 2,157,100,000 2,145,200,000 2,152,500,000 2,122,100,000 2,135,000,000 2,217,200,000 2,104,000,000 2,177,800,000 2,278,500,000 2,214,800,000 1,877,600,000 2,176,200,000 2,818,400,000 3,356,300,000 2,253,441,000 2,443,422,000 2,298,762,000 2,305,040,000 1,676,750,000 1,490,735,000 1,672,988,000 3,096,713,000 1,632,721,000 2,778,887,000 2,255,614,000 2,664,617,000 1,783,479,000 1,978,965,000 2,450,351,000 1,969,399,000 1,969,028,000 1,820,906,000 1,615,697,000 2,236,370,000 2,296,583,000 2,289,278,000 2,229,298,000 2,015,861,000 1,830,080,000 1,933,376,000 2,095,687,000 1,774,983,000 1,738,444,000 1,917,305,000 1,917,305,000 
        property, plant and equipment
      1,153,500,000 1,153,900,000 1,183,700,000 1,152,100,000 1,171,200,000 1,196,200,000 1,194,600,000 1,208,300,000 1,206,900,000 1,185,700,000 1,177,900,000 1,113,700,000 1,088,300,000 994,900,000 967,900,000 929,900,000 923,700,000 892,200,000 854,700,000 827,400,000 822,100,000 844,000,000 876,100,000 909,700,000 937,000,000 963,000,000 996,700,000 1,039,700,000 1,051,900,000 1,078,400,000 767,900,000 754,780,000 722,780,000 693,995,000 683,338,000 698,704,000 716,998,000 732,816,000 609,396,000 622,842,000 631,600,000 595,247,000 581,572,000 577,123,000 585,102,000 569,908,000 531,967,000 520,565,000 518,191,000 513,723,000 514,544,000 522,737,000 536,727,000 506,229,000 516,611,000 533,652,000 548,977,000 545,703,000 540,513,000 528,215,000 517,668,000 517,668,000 
        goodwill
      6,695,500,000 6,695,400,000 6,684,800,000 6,684,800,000 6,681,900,000 6,681,900,000 6,675,400,000 6,675,400,000 6,675,400,000 6,675,400,000 6,673,600,000 6,673,600,000 6,673,600,000 6,673,600,000 6,673,600,000 6,673,600,000 6,673,600,000 6,670,600,000 6,670,600,000 6,670,600,000 6,664,800,000 6,664,800,000 6,664,800,000 6,664,800,000 6,664,600,000 6,663,900,000 6,663,900,000 6,782,000,000 6,787,500,000 7,273,200,000 2,299,000,000 2,299,009,000 2,299,009,000 2,299,009,000 2,299,009,000 2,362,090,000 2,384,740,000 2,390,955,000 1,012,652,000 1,011,227,000 1,008,720,000 571,660,000 571,271,000 565,290,000 557,965,000 409,885,000 276,097,000 275,967,000 268,570,000 268,547,000 271,348,000 263,311,000 260,059,000 102,193,000 93,513,000 76,098,000 76,061,000 76,028,000 76,018,000 59,457,000 49,355,000 49,355,000 
        intangible assets
      2,169,500,000 2,292,200,000 2,389,000,000 2,518,200,000 2,654,500,000 2,775,500,000 2,781,800,000 2,936,500,000 3,088,800,000 3,252,800,000 3,369,000,000 3,544,800,000 3,704,900,000 3,869,400,000 4,043,100,000 4,256,300,000 4,479,800,000 4,581,400,000 4,794,800,000 5,025,800,000 5,255,800,000 5,486,800,000 5,702,300,000 5,939,500,000 6,187,300,000 6,428,700,000 6,685,600,000 6,632,900,000 6,825,900,000 6,248,900,000 1,662,000,000 1,784,568,000 1,905,730,000 2,026,575,000 2,148,092,000 2,233,621,000 2,322,706,000 2,403,357,000 606,349,000 654,574,000 702,383,000 470,488,000 504,417,000 551,210,000 599,025,000 498,079,000 445,499,000 466,278,000 480,679,000 504,765,000 530,136,000 570,804,000 607,127,000 110,257,000 90,436,000 75,051,000 76,503,000 75,583,000 77,929,000 79,074,000 81,320,000 81,320,000 
        long-term deferred tax assets
      1,739,000,000 1,734,600,000 1,728,100,000 1,703,900,000 1,637,500,000 1,600,500,000 1,596,500,000 1,538,200,000 1,576,000,000 1,603,700,000 1,623,300,000 1,630,000,000 1,692,300,000 1,747,700,000 1,797,100,000 1,721,500,000 1,738,600,000 1,719,500,000 1,749,200,000 1,628,400,000 1,634,900,000 1,639,100,000 1,748,500,000 1,738,400,000 1,662,000,000 1,680,000,000 1,677,200,000 1,717,100,000 1,715,500,000 1,675,800,000 100,200,000 70,793,000 81,370,000 74,065,000 68,870,000 60,797,000 68,823,000 68,653,000 14,831,000 18,910,000                       
        other assets
      361,900,000 349,600,000 397,700,000 577,400,000 571,700,000 637,300,000 611,900,000 565,000,000 527,900,000 507,400,000 457,200,000 320,300,000 306,000,000 279,600,000 265,200,000 265,400,000 250,200,000 257,000,000 264,300,000 271,400,000 271,200,000 258,400,000 217,200,000 232,200,000 229,800,000 232,300,000 111,800,000 106,400,000 110,100,000 154,100,000 71,800,000 75,810,000 73,638,000 75,027,000 75,075,000 82,612,000 90,394,000 89,987,000 109,025,000 116,290,000 79,809,000 65,952,000 75,510,000 44,591,000 48,293,000 45,981,000 45,956,000 47,345,000 47,149,000 47,468,000 41,557,000 40,427,000 41,183,000 37,387,000 38,769,000 38,184,000 38,852,000 36,748,000 33,777,000 41,704,000 52,570,000 52,570,000 
        total assets
      14,469,700,000 14,979,500,000 15,374,600,000 15,632,200,000 15,622,300,000 15,839,700,000 15,873,200,000 16,143,000,000 16,601,400,000 16,494,600,000 16,370,300,000 16,116,100,000 16,141,100,000 16,208,400,000 16,199,500,000 16,047,200,000 16,215,000,000 16,277,800,000 16,478,800,000 16,576,100,000 16,770,900,000 17,028,100,000 17,426,100,000 17,588,600,000 17,858,500,000 18,246,400,000 18,350,000,000 18,155,700,000 18,667,100,000 19,248,800,000 8,257,200,000 8,123,793,000 8,055,198,000 7,887,891,000 7,686,881,000 7,144,581,000 7,074,396,000 7,358,756,000 5,567,515,000 5,446,553,000 5,786,309,000 4,856,985,000 4,780,713,000 4,628,917,000 4,610,627,000 4,501,743,000 4,067,630,000 4,003,108,000 3,965,151,000 3,883,575,000 3,851,405,000 3,843,524,000 3,888,376,000 3,144,840,000 3,083,776,000 3,021,151,000 3,033,749,000 3,029,299,000 2,968,058,000 2,828,726,000 2,808,370,000 2,808,370,000 
        liabilities and stockholders' equity
                                                                    
        accounts payable
      170,000,000 161,900,000 160,600,000 195,900,000 204,200,000 196,400,000 213,000,000 242,200,000 283,500,000 281,300,000 396,900,000 354,800,000 379,800,000 304,700,000 344,700,000 301,300,000 302,600,000 284,400,000 292,400,000 259,800,000 216,900,000 211,100,000 246,800,000 209,300,000 235,600,000 245,700,000 226,400,000 236,000,000 271,200,000 318,200,000 144,100,000 162,718,000 182,599,000 171,857,000 149,233,000 135,160,000 131,625,000 137,614,000 79,312,000 69,059,000 72,362,000 93,655,000 86,866,000 76,933,000 94,402,000 79,889,000 74,050,000 62,750,000 77,768,000 77,693,000 75,551,000 54,051,000 82,265,000 52,646,000 50,287,000 40,039,000 57,792,000 67,528,000 68,433,000 66,070,000 73,882,000 73,882,000 
        accrued liabilities
      873,800,000 1,028,500,000 994,500,000 1,134,400,000 1,135,200,000 1,323,900,000 1,307,000,000 1,388,900,000 1,468,000,000 1,539,600,000 1,323,500,000 1,256,300,000 1,160,000,000 1,180,700,000 1,054,300,000 917,400,000 819,200,000 804,700,000 794,300,000 769,200,000 762,200,000 778,400,000 781,800,000 726,500,000 800,500,000 831,200,000 787,300,000 407,700,000 481,900,000 491,300,000 229,600,000 258,409,000 221,244,000 244,533,000 212,450,000 222,134,000 223,982,000 222,500,000 119,265,000 111,273,000 119,452,000 111,124,000 100,978,000 104,389,000 113,997,000 115,718,000 96,731,000 96,176,000 101,701,000 124,154,000 127,108,000 119,617,000 120,086,000 86,550,000 88,877,000 92,741,000 92,176,000 114,957,000 131,839,000 91,180,000 103,976,000 103,976,000 
        total current liabilities
      1,043,800,000 1,190,400,000 1,155,100,000 1,330,300,000 3,285,700,000 1,520,300,000 2,519,400,000 3,293,200,000 3,412,600,000 3,219,600,000 3,118,600,000 1,611,100,000 2,538,400,000 1,485,400,000 1,399,000,000 1,218,700,000 1,121,800,000 1,089,100,000 2,409,600,000 2,522,200,000 1,975,200,000 2,585,800,000 1,637,400,000 2,336,600,000 2,423,400,000 2,450,800,000 2,374,500,000 643,700,000 2,088,100,000 2,139,300,000 2,017,400,000 756,832,000 734,186,000 736,443,000 704,450,000 651,553,000 578,803,000 573,285,000 382,009,000 343,914,000 371,776,000 372,308,000 353,972,000 353,086,000 385,484,000 359,690,000 336,079,000 316,400,000 338,893,000 351,664,000 341,611,000 296,279,000 325,473,000 249,989,000 247,873,000 248,566,000 294,153,000 328,083,000 340,316,000 299,935,000 310,140,000 310,140,000 
        long-term debt
      5,375,900,000 5,458,100,000 5,630,400,000 6,749,500,000 4,476,600,000 6,167,900,000 5,000,400,000 4,033,300,000 4,414,700,000 4,632,200,000 5,041,700,000 6,588,700,000 6,304,900,000 7,563,900,000 7,687,400,000 7,868,500,000 8,200,600,000 8,527,400,000 7,581,200,000 7,647,800,000 8,181,400,000 7,730,000,000 8,873,400,000 8,179,700,000 8,415,300,000 8,711,400,000 8,946,200,000 10,542,300,000 9,551,100,000 10,019,800,000 1,758,400,000 3,039,623,000 3,011,852,000 2,983,908,000 2,900,524,000                            
        long-term income tax payable
      561,100,000 640,200,000 633,400,000 598,700,000 590,400,000 655,600,000 649,200,000 635,100,000 678,500,000 718,900,000 705,700,000 660,300,000 666,800,000 706,300,000 704,600,000 673,500,000 662,100,000 687,300,000 689,900,000 669,600,000 664,300,000 681,100,000 668,400,000 711,400,000 716,500,000 749,500,000 756,200,000 720,700,000 777,100,000 836,700,000 754,900,000 694,777,000 194,342,000 187,255,000 184,945,000 266,763,000 292,957,000 290,742,000 111,061,000 106,081,000 107,459,000 98,001,000 114,336,000 138,388,000 139,343,000 144,549,000 179,966,000 179,246,000 192,007,000 186,588,000 182,723,000 181,418,000 179,807,000 73,261,000 70,490,000 71,386,000 65,040,000 61,742,000 58,125,000 106,201,000 100,527,000 100,527,000 
        long-term deferred tax liability
      35,200,000 36,300,000 33,800,000 22,900,000 29,800,000 32,200,000 28,800,000 33,000,000 34,100,000 42,300,000 42,700,000 40,300,000 41,500,000 40,700,000 39,800,000 41,400,000 43,700,000 43,100,000 43,900,000 9,900,000 81,600,000 112,300,000 318,500,000 386,300,000 577,900,000 690,000,000 706,100,000 830,500,000 815,400,000 854,200,000 205,800,000 208,823,000 328,235,000 347,216,000 409,045,000 386,824,000 416,452,000 468,563,000 399,218,000 422,667,000 448,777,000 380,403,000 381,192,000 468,842,000 469,370,000                  
        other long-term liabilities
      758,200,000 797,400,000 843,600,000 899,300,000 963,900,000 1,057,700,000 1,017,600,000 1,068,200,000 1,093,000,000 1,050,300,000 948,000,000 904,100,000 486,400,000 434,200,000 473,900,000 441,800,000 483,900,000 411,000,000 417,100,000 429,600,000 424,700,000 417,600,000 342,900,000 358,000,000 364,100,000 356,400,000 279,500,000 257,400,000 265,200,000 275,000,000 240,900,000 238,663,000 240,459,000 220,515,000 217,206,000 148,549,000 161,239,000 157,113,000 41,271,000 41,073,000 41,042,000 48,694,000 43,329,000 44,228,000 40,351,000 39,112,000 37,550,000 38,422,000 38,039,000 37,301,000 21,966,000 21,840,000 24,739,000 29,265,000 8,322,000 8,844,000 9,874,000 10,017,000 10,318,000 11,257,000 14,074,000 14,074,000 
        stockholders' equity:
                                                                    
        preferred stock, 0.001 par value per share...
                                                                    
        common stock, 0.001 par value per share...
      600,000 600,000                                                             
        additional paid-in capital
      4,028,500,000 3,974,000,000 3,909,900,000 2,481,200,000 2,445,600,000 2,404,300,000 2,482,900,000 2,445,800,000 2,414,600,000 2,400,300,000 2,413,300,000 2,380,400,000 2,355,500,000 2,393,000,000 2,535,900,000 2,500,600,000 2,470,600,000 2,430,100,000 2,403,300,000 2,385,100,000 2,487,400,000 2,542,300,000 2,675,100,000 2,738,700,000 2,731,500,000 2,703,300,000 2,679,600,000 2,657,300,000 2,652,500,000 2,637,000,000 2,562,500,000 2,556,274,000 2,590,085,000 2,583,575,000 2,537,344,000 1,904,215,000 1,905,228,000 1,901,460,000 1,391,553,000 1,385,815,000 1,382,818,000 1,001,935,000 999,515,000 1,252,902,000 1,248,841,000 1,245,191,000 1,244,583,000 1,254,764,000 1,255,419,000 1,252,987,000 1,255,627,000 1,273,455,000 1,277,126,000 1,269,607,000 1,268,907,000 1,270,343,000 1,270,008,000 1,269,303,000 1,268,128,000 1,268,449,000 1,272,037,000 1,272,037,000 
        common stock held in treasury: 37,977,550 shares at september 30, 2025; 39,292,311 shares at march 31, 2025
      -2,584,700,000                                                              
        accumulated other comprehensive loss
      -6,200,000 -6,400,000 -1,700,000 -3,300,000 -7,800,000 -3,700,000 -3,500,000 -4,800,000 -2,800,000 -4,400,000 -4,100,000 -17,500,000 -11,600,000 -16,600,000 -20,600,000 -23,300,000 -24,400,000 -26,200,000 -26,200,000 -22,300,000 -20,900,000 -21,100,000 -21,600,000 -22,000,000 -22,300,000 -22,300,000 -20,700,000 -17,000,000 -16,700,000 -14,900,000 -17,600,000 -22,193,000 -17,812,000 -19,133,000 -14,378,000 -10,828,000 -15,896,000 -14,428,000                         
        retained earnings
      5,257,300,000 5,489,200,000 5,781,100,000 6,182,700,000 6,480,900,000 6,646,200,000 6,759,500,000 6,847,300,000 6,665,500,000 6,221,600,000 5,764,100,000 5,356,000,000 4,956,000,000 4,575,900,000 4,175,200,000 3,878,100,000 3,654,000,000 3,533,200,000 3,393,500,000 3,384,100,000 3,443,900,000 3,465,600,000 3,432,400,000 3,420,500,000 3,197,100,000 3,175,500,000 3,210,600,000 3,122,400,000 3,159,600,000 3,149,200,000 1,397,300,000 1,335,697,000 1,671,695,000 1,567,059,000 1,479,400,000 1,425,073,000 1,395,868,000 1,439,589,000 1,582,585,000 1,588,378,000 1,600,090,000 1,607,876,000 1,549,540,000 1,522,185,000 1,507,915,000 1,485,716,000 1,467,009,000 1,426,396,000 1,391,549,000 1,361,829,000 1,352,932,000 1,362,472,000 1,420,996,000 1,510,326,000 1,499,365,000 1,485,989,000 1,475,312,000 1,462,231,000 1,428,838,000 1,303,311,000 1,331,984,000 1,331,984,000 
        total stockholders' equity
      6,695,500,000 6,857,100,000 7,078,300,000 6,031,500,000 6,275,900,000 6,406,000,000 6,657,800,000 7,080,200,000 6,968,500,000 6,831,300,000 6,513,600,000 6,311,600,000 6,103,100,000 5,977,900,000 5,894,800,000 5,803,300,000 5,702,900,000 5,519,900,000 5,337,100,000 5,297,000,000 5,443,700,000 5,501,300,000 5,585,500,000 5,616,600,000 5,361,300,000 5,288,300,000 5,287,500,000 5,161,100,000 5,170,200,000 5,123,800,000 3,279,800,000 3,185,075,000 3,546,124,000 3,412,554,000 3,270,711,000 2,566,898,000 2,519,512,000 2,532,549,000       2,252,208,000 2,169,645,000 2,135,461,000 2,075,108,000 2,018,539,000 1,954,260,000 1,933,470,000 1,927,086,000 1,964,098,000 2,017,990,000 1,990,673,000 1,941,305,000 1,903,939,000 1,879,222,000 1,812,438,000 1,649,945,000 1,637,166,000 1,637,166,000 
        total liabilities and stockholders' equity
      14,469,700,000 14,979,500,000 15,374,600,000 15,632,200,000 15,622,300,000 15,839,700,000 15,873,200,000 16,143,000,000 16,601,400,000 16,494,600,000 16,370,300,000 16,116,100,000 16,141,100,000 16,208,400,000 16,199,500,000 16,047,200,000 16,215,000,000 16,277,800,000 16,478,800,000 16,576,100,000 16,770,900,000 17,028,100,000 17,426,100,000 17,588,600,000 17,858,500,000 18,246,400,000 18,350,000,000 18,155,700,000 18,667,100,000 19,248,800,000 8,257,200,000 8,123,793,000 8,055,198,000 7,887,891,000 7,686,881,000 7,144,581,000 7,074,396,000 7,358,756,000       4,610,627,000 4,501,743,000 4,067,630,000 4,003,108,000 3,965,151,000 3,883,575,000 3,851,405,000 3,843,524,000 3,888,376,000 3,144,840,000 3,083,776,000 3,021,151,000 3,033,749,000 3,029,299,000 2,968,058,000 2,828,726,000 2,808,370,000 2,808,370,000 
        common stock held in treasury: 38,747,019 shares at june 30, 2025; 39,292,311 shares at march 31, 2025
       -2,600,300,000                                                             
        current portion of long-term debt
          1,946,300,000  999,400,000 1,662,100,000 1,661,100,000 1,398,700,000 1,398,200,000  998,600,000      1,322,900,000 1,493,200,000 996,100,000 1,596,300,000 608,800,000 1,400,800,000 1,387,300,000 1,373,900,000 1,360,800,000  1,335,000,000 1,329,800,000 1,309,900,000  5,980,000 11,256,000 49,952,000                            
        preferred stock, 0.001 par value...
                                                                    
        common stock, 0.001 par value...
        600,000 500,000 500,000 500,000 500,000 500,000 500,000 500,000 500,000 500,000 600,000 600,000 600,000 600,000 600,000 300,000 300,000 300,000 300,000 300,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 234,000 234,000 233,000 229,000 216,000 216,000 215,000 204,000 203,000 203,000 202,000 202,000 201,000 201,000 200,000 200,000 199,000 198,000 197,000 196,000 195,000 194,000 194,000 193,000 192,000 191,000 191,000 190,000 188,000 187,000 187,000 
        common stock held in treasury: 39,292,311 shares at march 31, 2025; 41,142,968 shares at march 31, 2024
        -2,611,600,000                                                            
        common stock held in treasury: 40,141,994 shares at december 31, 2024; 41,142,968 shares at march 31, 2024
         -2,629,600,000                                                           
        common stock held in treasury: 40,796,789 shares at september 30, 2024; 41,142,968 shares at march 31, 2024
          -2,643,300,000                                                          
        common stock held in treasury: 41,301,651 shares at june 30, 2024; 41,142,968 shares at march 31, 2024
           -2,641,300,000                                                         
        common stock held in treasury: 41,142,968 shares at march 31, 2024; 32,345,809 shares at march 31, 2023
            -2,581,600,000                                                        
        common stock held in treasury: 37,418,710 shares at december 31, 2023; 32,345,809 shares at march 31, 2023
             -2,208,600,000                                                       
        common stock held in treasury: 36,762,009 shares at september 30, 2023; 32,345,809 shares at march 31, 2023
              -2,109,300,000                                                      
        common stock held in treasury: 33,471,791 shares at june 30, 2023; 32,345,809 shares at march 31, 2023
               -1,786,700,000                                                     
        short-term investments
                  2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000 5,200,000 3,300,000 3,100,000 2,300,000 4,000,000 4,500,000 14,500,000 1,295,300,000 427,514,000 488,197,000 457,210,000 394,088,000 5,705,000 848,000 1,266,000 353,284,000 676,449,000 1,462,466,000 969,003,000 1,351,054,000 666,119,000 801,670,000 1,142,091,000 878,182,000 932,302,000 807,709,000 558,644,000 1,050,263,000 1,157,010,000 1,116,675,000 881,913,000 823,254,000 696,548,000 740,309,000 866,369,000 539,572,000 690,568,000 955,047,000 955,047,000 
        common stock held in treasury: 32,345,809 shares at march 31, 2023; 23,304,872 shares at march 31, 2022
                -1,660,200,000                                                    
        common stock held in treasury: 30,013,484 shares at december 31, 2022; 23,304,872 shares at march 31, 2022
                 -1,407,800,000                                                   
        common stock held in treasury: 27,796,710 shares at september 30, 2022; 23,304,872 shares at march 31, 2022
                  -1,197,400,000                                                  
        common stock held in treasury: 25,321,204 shares at june 30, 2022; 23,304,872 shares at march 31, 2022
                   -975,000,000                                                 
        common stock held in treasury: 23,304,872 shares at march 31, 2022; 21,900,970 shares at march 31, 2021
                    -796,300,000                                                
        common stock held in treasury: 20,768,248 shares at december 31, 2021; 21,900,970 shares at march 31, 2021
                     -552,700,000                                               
        common stock held in treasury: 19,567,720 shares at september 30, 2021; 21,900,970 shares at march 31, 2021
                      -397,900,000                                              
        common stock held in treasury: 10,438,935 shares at june 30, 2021; 10,950,485 shares at march 31, 2021
                       -417,500,000                                             
        common stock held in treasury: 10,950,485 shares at march 31, 2021; 13,065,588 shares at march 31, 2020
                        -433,800,000                                            
        common stock held in treasury: 11,467,154 shares at december 31, 2020; 13,065,588 shares at march 31, 2020
                         -450,200,000                                           
        common stock held in treasury: 12,000,306 shares at september 30, 2020; 13,065,588 shares at march 31, 2020
                          -467,000,000                                          
        common stock held in treasury: 12,597,526 shares at june 30, 2020; 13,065,588 shares at march 31, 2020
                           -485,800,000                                         
        common stock held in treasury: 13,065,588 shares at march 31, 2020; 15,643,408 shares at march 31, 2019
                            -500,600,000                                        
        common stock held in treasury: 13,698,053 shares at december 31, 2019; 15,643,408 shares at march 31, 2019
                             -520,800,000                                       
        common stock held in treasury: 14,469,456 shares at september 30, 2019; 15,643,408 shares at march 31, 2019
                              -545,200,000                                      
        common stock held in treasury: 15,198,090 shares at june 30, 2019; 15,643,408 shares at march 31, 2019
                               -568,400,000                                     
        deferred income on shipments to distributors
                                    333,800,000 335,705,000 324,363,000 308,797,000 292,815,000 294,259,000 223,196,000 213,171,000 183,432,000 163,582,000 179,962,000 167,529,000 166,128,000 154,264,000 159,585,000 146,583,000 147,798,000 143,315,000 151,049,000 149,817,000 138,952,000 122,611,000 123,122,000 110,793,000 108,709,000 115,786,000 144,185,000 145,598,000 140,044,000 142,685,000 132,282,000 132,282,000 
        common stock held in treasury: 15,643,408 shares at march 31, 2019; 18,205,142 shares at march 31, 2018
                                -582,200,000                                    
        see accompanying notes to consolidated financial statements
                                                                    
        common stock held in treasury: 16,269,827 shares at december 31, 2018; 18,205,142 shares at march 31, 2018
                                 -601,800,000                                   
        common stock held in treasury: 17,024,517 shares at september 30, 2018; 18,205,142 shares at march 31, 2018
                                  -625,400,000                                  
        common stock held in treasury: 17,738,499 shares at june 30, 2018; 18,205,142 shares at march 31, 2018
                                   -647,700,000                                 
        prepaid expenses
                                    63,900,000 60,117,000 44,404,000 43,778,000 41,354,000 51,265,000 60,817,000 51,769,000 41,992,000 36,488,000 38,553,000 33,927,000 34,717,000 35,111,000 34,350,000 34,369,000 31,756,000 29,441,000 34,318,000 35,670,000 37,439,000 30,008,000 33,931,000 25,588,000 25,658,000 23,706,000 22,367,000 22,486,000 22,234,000 20,968,000 20,061,000 20,061,000 
        assets held for sale
                                        6,459,000 5,757,000 14,080,000 18,398,000    13,669,000 13,989,000 13,985,000                1,109,000 1,109,000 1,109,000 
        long-term investments
                                     885,392,000 529,249,000 420,458,000 107,457,000 30,007,000   118,549,000 1,389,989,000 584,910,000 898,024,000 383,326,000 1,107,224,000 841,277,000 527,539,000 798,712,000 723,925,000 829,656,000 933,375,000 257,450,000 149,662,000 154,002,000 159,476,000 328,586,000 468,086,000 359,980,000 199,550,000 464,838,000 381,832,000 190,152,000 190,152,000 
        common stock held in treasury: 18,205,142 shares at march 31, 2018; 20,370,075 shares at march 31, 2017
                                    -662,600,000                                
        common stock held in treasury: 18,892,165 shares at december 31, 2017; 20,370,075 shares at march 31, 2017
                                     -684,937,000                               
        common stock held in treasury: 19,303,793 shares at september 30, 2017; 20,370,075 shares at march 31, 2017
                                      -698,078,000                              
        common stock held in treasury: 19,972,753 shares at june 30, 2017; 20,370,075 shares at march 31, 2017
                                       -719,180,000                             
        common stock held in treasury: 20,370,075 shares at march 31, 2017; 23,335,062 shares at march 31, 2016
                                        -731,884,000                            
        long-term line of credit
                                         1,675,423,000 1,669,834,000 1,913,745,000 1,052,000,000 1,008,452,000 1,296,452,000 496,952,000 461,952,000 644,375,000 624,375,000 634,375,000 300,000,000 300,000,000 290,000,000 260,000,000 620,000,000 610,000,000 600,000,000          
        senior convertible debentures
                                         1,250,178,000 1,238,731,000 1,227,444,000 1,234,733,000 1,203,048,000 1,197,792,000 1,169,583,000 1,174,036,000                    
        junior convertible debentures
                                         198,393,000 196,868,000 195,315,000 196,304,000 194,974,000 193,630,000 192,162,000 190,870,000 379,263,000 376,729,000 374,227,000 371,873,000 369,618,000 367,533,000 365,562,000 363,385,000 361,409,000 359,656,000 357,355,000 355,050,000 353,341,000 351,371,000 349,109,000 347,334,000 345,581,000 344,085,000 344,085,000 
        common stock held in treasury: 21,035,799 shares at december 31, 2016; 23,335,062 shares at march 31, 2016
                                         -751,778,000                           
        common stock held in treasury: 21,511,417 shares at september 30, 2016; 23,335,062 shares at march 31, 2016
                                          -765,904,000                          
        common stock held in treasury: 22,467,089 shares at june 30, 2016; 23,335,062 shares at march 31, 2016
                                           -794,287,000                         
        deferred tax assets
                                              69,343,000 71,045,000 71,045,000 50,490,000 62,411,000 70,926,000 67,490,000 72,142,000 70,383,000 73,080,000 80,687,000 129,704,000 116,866,000 94,968,000 91,191,000 87,337,000 96,488,000 87,473,000 88,822,000 107,617,000 97,671,000 97,671,000 
        liabilities and equity
                                                                    
        common stock held in treasury: 23,335,062 shares at march 31, 2016; 16,709,688 shares at march 31, 2015
                                            -820,066,000                        
        accumulated other comprehensive income
                                            -3,357,000 -10,665,000 -3,095,000 -5,171,000 11,076,000 15,563,000 -4,657,000 4,089,000 1,051,000 -2,579,000 -2,525,000 -3,113,000 6,935,000 6,774,000 6,689,000 2,963,000 3,101,000 -1,755,000 -596,000 5,284,000 3,357,000 2,774,000 1,790,000 1,790,000 
        microchip technology stockholders' equity
                                            2,150,919,000 2,126,344,000 2,129,381,000 2,098,882,000 2,044,654,000 2,256,289,000 2,203,421,000                  
        noncontrolling interests
                                                16,372,000 25,989,000 48,787,000                  
        total equity
                                            2,150,919,000 2,126,344,000 2,129,381,000 2,098,882,000 2,061,026,000 2,282,278,000                   
        total liabilities and equity
                                            5,567,515,000 5,446,553,000 5,786,309,000 4,856,985,000 4,780,713,000 4,628,917,000                   
        common stock held in treasury: 23,918,265 shares at december 31, 2015; 16,709,688 shares at march 31, 2015
                                             -837,387,000                       
        common stock held in treasury: 24,364,326 shares at september 30, 2015; 16,709,688 shares at march 31, 2015
                                              -850,635,000                      
        common stock held in treasury: 16,382,457 shares at june 30, 2015; 16,709,688 shares at march 31, 2015
                                               -505,960,000                     
        short-term borrowings
                                                 17,500,000 17,500,000 17,500,000 17,500,000 14,159,000 8,375,000              
        long-term borrowings
                                                 318,457,000 322,767,000 327,076,000 331,385,000 335,694,000 340,379,000 348,688,000             
        common stock held in treasury: 16,709,688 shares at march 31, 2015; 18,787,258 shares at march 31, 2014
                                                -515,679,000                    
        common stock held in treasury: 17,345,506 shares at december 31, 2014; 18,787,258 shares at march 31, 2014
                                                 -534,562,000                   
        common stock held in treasury: 17,827,531 shares at september 30, 2014; 18,787,258 shares at march 31, 2014
                                                  -548,879,000                  
        deferred tax liability
                                                   453,069,000 375,316,000 388,620,000 379,761,000 379,512,000 388,250,000 445,492,000 434,603,000 416,980,000 411,368,000 397,709,000 409,372,000 401,126,000 399,527,000 415,807,000 402,378,000 402,378,000 
        common stock held in treasury: 18,388,888 shares at june 30, 2014; 18,787,258 shares at march 31, 2014
                                                   -565,551,000                 
        common stock held in treasury: 18,787,258 shares at march 31, 2014; 22,317,138 shares at march 31, 2013
                                                    -577,382,000                
        common stock held in treasury: 19,672,436 shares at december 31, 2013; 22,317,138 shares at march 31, 2013
                                                     -603,672,000               
        common stock held in treasury: 20,427,635 shares at september 30, 2013; 22,317,138 shares at march 31, 2013
                                                      -626,102,000              
        common stock held in treasury: 21,489,542 shares at june 30, 2013; 22,317,138 shares at march 31, 2013
                                                       -657,640,000             
        common stock held in treasury: 22,317,138 shares at march 31, 2013; 25,639,462 shares at march 31, 2012
                                                        -682,220,000            
        common stock held in treasury: 23,448,109 shares at december 31, 2012; 25,639,462 shares at march 31, 2012
                                                         -715,810,000           
        common stock held in treasury: 24,293,127 shares at september 30, 2012; 25,639,462 shares at march 31, 2012
                                                          -740,907,000          
        common stock held in treasury: 25,107,727 shares at june 30, 2012; 25,639,462 shares at march 31, 2012
                                                           -765,100,000         
        common stock held in treasury: 25,639,462 shares at march 31, 2012; 29,248,287 shares at march 31, 2011
                                                            -780,893,000        
        common stock held in treasury: 26,736,145 shares at december 31, 2011; 29,248,287 shares at march 31, 2011
                                                             -813,464,000       
        common stock held in treasury: 27,662,461 shares at september 30, 2011; 29,248,287 shares at march 31, 2011
                                                              -840,976,000      
        common stock held in treasury: 28,228,490 shares at june 30, 2011; 29,248,287 shares at march 31, 2011
                                                               -857,787,000     
        common stock held in treasury: 29,248,287 shares at march 31, 2011; and 33,460,850 shares at march 31, 2010.
                                                                -888,075,000    
        common stock held in treasury: 30,484,055 shares at december 31, 2010; 33,460,850 shares at march 31, 2010
                                                                 -924,777,000   
        see accompanying notes to condensed consolidated financial statements
                                                                    
        common stock held in treasury: 31,967,378 shares at september 30, 2010; 33,460,850 shares at march 31, 2010
                                                                  -968,832,000 -968,832,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 
                                                                   
          cash flows from operating activities:
                                                                   
          net income
        41,700,000 -18,600,000 -154,600,000 -53,600,000 78,400,000 129,300,000 154,700,000 419,200,000 666,600,000 666,400,000 604,000,000 580,300,000 546,200,000 507,200,000 437,900,000 352,800,000 242,000,000 252,800,000 116,000,000 36,200,000 73,600,000 123,600,000 99,900,000 311,100,000 108,900,000 50,700,000 174,700,000 49,200,000 96,300,000 35,700,000 146,743,000 -251,086,000 189,156,000 170,587,000 136,908,000 107,175,000 33,919,000 -113,363,000 61,211,000 64,899,000 130,460,000 98,580,000 84,798,000 92,038,000 89,909,000 111,495,000 105,401,000 99,806,000 78,579,000 59,690,000 10,173,000 -21,184,000 78,710,000 80,636,000 77,489,000 79,287,000 99,293,000 125,528,000 100,776,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                   
          depreciation and amortization
        172,700,000 171,100,000 187,000,000 186,800,000 187,600,000 188,700,000 218,200,000 219,400,000 219,000,000 222,900,000 243,200,000 244,000,000 251,800,000 259,400,000 293,200,000 300,600,000 277,500,000 272,200,000 287,800,000 286,900,000 285,800,000 292,800,000 310,900,000 300,000,000 297,600,000 307,100,000 238,700,000 243,900,000 221,000,000 172,800,000 156,868,000 154,676,000 152,555,000 151,801,000 128,283,000 114,968,000 112,816,000 113,141,000 76,178,000 71,109,000 60,375,000 73,186,000 73,303,000 70,821,000 60,988,000 45,435,000 45,242,000 48,052,000 50,410,000 63,629,000 64,012,000 51,211,000 25,245,000 24,254,000 24,642,000 25,177,000 25,351,000 26,459,000 27,177,000 
          deferred income taxes
        5,300,000 -3,000,000 -17,500,000 -76,100,000 -41,600,000 -8,100,000 -71,300,000 17,100,000 3,100,000 23,900,000 20,100,000 54,100,000 56,600,000 74,700,000 1,800,000 17,300,000 -31,300,000 20,100,000 -56,000,000 -34,800,000 1,300,000 -49,400,000 -86,100,000 -293,300,000 -94,100,000 -16,800,000 -33,100,000 42,500,000 -158,800,000 87,200,000 -16,355,000 114,494,000 -25,061,000 -21,878,000 -74,673,000 -34,395,000 -50,726,000 32,906,000 24,883,000 -18,490,000 -17,509,000 -38,606,000 10,292,000 -2,178,000 -2,319,000 -18,869,000 12,318,000 6,574,000 5,298,000 -18,387,000 -556,000 -12,352,000 2,927,000 14,769,000 99,000 358,000 6,728,000 6,623,000 4,086,000 
          share-based compensation expense related to equity incentive plans
        61,600,000 52,900,000 40,700,000 49,400,000 46,300,000 44,000,000 42,800,000 44,800,000 45,400,000 44,500,000 43,900,000 44,000,000 41,300,000 41,200,000 47,000,000 50,900,000 55,700,000 56,600,000 55,000,000 51,200,000 49,700,000 42,400,000 40,700,000 43,500,000 45,300,000 40,700,000 38,900,000 39,600,000 42,600,000 45,300,000 23,179,000 24,003,000 23,610,000 22,408,000 22,066,000 22,120,000 24,390,000 59,579,000 16,965,000 23,026,000 14,112,000 15,183,000 14,819,000 15,273,000 13,321,000 12,412,000 13,719,000 15,000,000 12,656,000 13,356,000 14,120,000 14,607,000 9,986,000 9,819,000 9,962,000 9,484,000 9,024,000 9,027,000 9,409,000 
          amortization of debt discount
        5,300,000 1,400,000 13,200,000 23,500,000 11,500,000 16,600,000 18,700,000 14,000,000 3,100,000 1,700,000 1,800,000 1,800,000 1,800,000 1,800,000 10,000,000 10,700,000 11,600,000 12,600,000 13,600,000 14,400,000 17,800,000 25,300,000 30,800,000 30,700,000 30,300,000 29,900,000 29,400,000                                 
          amortization of debt issuance costs
        1,300,000 1,400,000 1,700,000 1,800,000 2,300,000 2,000,000 1,600,000 1,700,000 1,800,000 2,200,000 2,400,000 2,400,000 2,400,000 2,300,000 2,300,000 2,800,000 2,900,000 3,500,000 3,900,000 4,200,000 4,200,000 4,800,000 4,300,000 4,300,000 4,300,000 4,200,000 4,400,000 3,700,000 5,400,000 3,000,000 1,648,000 1,613,000 1,718,000 1,621,000 1,342,000 1,064,000 1,061,000 1,057,000 996,000 962,000 958,000 831,000 544,000 544,000 544,000 543,000 544,000 545,000 327,000           
          impairment of intangible assets
        300,000 2,200,000     500,000 200,000 600,000 500,000 400,000            1,700,000 500,000 1,100,000 2,000,000 248,000 37,000 87,000 128,000 1,678,000 8,242,000 1,984,000 47,000   20,000 1,305,000 150,000 406,000             
          other
        4,800,000 -600,000 -17,500,000 -21,200,000 -5,900,000 -18,400,000 -14,400,000                                                     
          changes in operating assets and liabilities, excluding impact of acquisitions:
                                                                   
          decrease in accounts receivable
        19,900,000 -75,800,000 167,500,000 187,100,000 51,500,000 47,900,000      -41,800,000    55,500,000 15,100,000 -3,000,000 -103,900,000 9,900,000 -9,400,000 39,700,000 -126,500,000 41,100,000   49,400,000 124,000,000        -18,119,000   34,857,000   -31,342,000    -18,132,000    -52,453,000 52,955,000         
          decrease in inventories
        76,000,000 125,000,000 66,700,000   9,200,000 -3,400,000        -72,800,000 -55,200,000 -30,600,000 -19,200,000 900,000 -3,900,000 -3,500,000 24,900,000 23,200,000 25,800,000 300,000 -20,500,000 -2,900,000 83,000,000 177,700,000 83,800,000 10,983,000 -30,034,000 -30,245,000 -9,904,000 3,037,000 4,724,000 94,848,000 121,102,000 39,370,000 19,296,000 -23,893,000 -3,167,000 -3,368,000 7,061,000 24,991,000 12,088,000 1,515,000 -18,146,000 -13,957,000 18,721,000 24,812,000 22,018,000 316,000     -1,289,000 -10,744,000 
          decrease in accounts payable and accrued liabilities
                         -900,000      -44,900,000           6,191,000 -244,000   -12,991,000   5,009,000 -23,184,000   10,237,000 -19,864,000   17,625,000 -30,869,000         
          change in other assets and liabilities
        -72,400,000 -3,400,000 34,600,000 -22,700,000 -29,300,000 -20,700,000 -107,600,000 -20,500,000 13,400,000 50,500,000 -3,500,000 418,600,000 32,200,000 -42,800,000 49,100,000 -8,800,000 11,600,000 27,500,000 6,600,000 -41,900,000 17,200,000 1,400,000 -9,200,000 -3,000,000 -15,300,000 14,400,000 -39,400,000 40,300,000 63,500,000 -88,600,000 -1,663,000 -1,058,000 24,017,000 -7,296,000 38,894,000 -625,000 -1,371,000 -12,270,000 -33,688,000 1,364,000 5,225,000 4,826,000 -18,486,000 -5,113,000 15,850,000 39,368,000 -10,392,000 5,214,000 14,977,000 -43,000 -7,462,000 35,171,000 5,291,000 -7,170,000 1,123,000 24,890,000 -10,873,000 -43,785,000 4,287,000 
          change in income tax payable
        -174,800,000 -4,600,000 -8,300,000 67,300,000 -88,600,000 27,800,000 60,200,000 -72,400,000 -133,300,000 107,000,000 -12,000,000 26,000,000 -17,600,000 -24,400,000 -10,100,000 45,800,000 -27,400,000 6,500,000 34,900,000 4,200,000 -38,400,000 16,700,000 18,000,000 -22,900,000 -11,500,000 -24,100,000 -27,300,000 -70,200,000 -79,400,000 -13,900,000 63,997,000                             
          net cash from operating activities
        88,100,000 275,600,000 205,900,000 271,500,000 43,600,000 377,100,000 430,000,000 853,300,000 616,200,000 993,200,000 709,500,000 1,277,900,000 793,200,000 840,400,000 747,700,000 853,400,000 611,700,000 629,900,000 449,200,000 509,700,000 455,800,000 501,800,000 371,700,000 395,500,000 396,000,000 380,600,000 403,400,000 481,500,000 487,500,000 302,400,000 359,518,000 364,959,000 350,131,000 344,992,000 322,560,000 290,802,000 222,123,000 223,967,000 210,477,000 149,886,000 181,528,000 178,510,000 184,838,000 192,046,000 165,788,000 203,341,000 153,868,000 154,924,000 164,431,000 125,001,000 128,907,000 63,300,000 128,971,000 102,460,000 55,939,000 154,754,000 83,305,000 152,537,000 138,677,000 
          cash flows from investing activities:
                                                                   
          other investing
                                                                 
          proceeds from capital-related government incentives
        300,000 4,800,000 300,000 100,000 4,900,000                                                     
          investments in other assets
        -27,100,000 -23,800,000 -42,100,000 -24,000,000 -45,800,000 -52,700,000 -36,000,000 -27,800,000 -19,500,000 -30,100,000 -38,600,000 -22,800,000 -20,500,000 -32,300,000 -30,000,000 -35,600,000 -29,700,000 -26,400,000 -15,900,000 -30,100,000 -35,400,000 -7,600,000 -31,000,000 -26,900,000 -11,000,000 -2,600,000 -5,800,000 -3,900,000 -7,300,000 -1,600,000 -1,716,000 -1,546,000 -1,905,000 -1,933,000 -621,000 -6,365,000 -2,467,000 -765,000 -2,980,000 -1,215,000 -1,766,000 -1,389,000 -1,615,000 -2,536,000 -1,123,000 -1,607,000 -4,511,000 -1,335,000 -1,616,000 -712,000 -1,814,000 -595,000 -1,609,000 -37,520,000      
          capital expenditures
        -36,500,000 -17,900,000 -14,200,000 -18,100,000 -20,800,000 -72,900,000 -40,100,000 -59,500,000 -74,400,000 -111,100,000 -112,700,000 -141,300,000 -110,300,000 -121,900,000 -114,600,000 -90,700,000 -78,500,000 -86,300,000 -55,400,000 -21,400,000 -6,300,000 -9,500,000 -11,900,000 -14,100,000 -17,700,000 -23,900,000 -40,100,000 -27,400,000 -72,000,000 -89,400,000 -58,388,000 -66,387,000 -59,895,000 -22,130,000 -22,972,000 -15,692,000 -18,152,000 -18,494,000 -17,869,000 -29,943,000 -33,611,000 -29,458,000 -36,642,000 -38,735,000 -44,637,000 -33,536,000 -24,330,000 -27,449,000 -27,757,000 -14,742,000 -9,864,000 -15,908,000 -10,304,000 -3,788,000 -6,133,000 -25,230,000 -27,219,000 -24,340,000 -34,177,000 
          free cash flows
        51,600,000 257,700,000 191,700,000 253,400,000 22,800,000 304,200,000 389,900,000 793,800,000 541,800,000 882,100,000 596,800,000 1,136,600,000 682,900,000 718,500,000 633,100,000 762,700,000 533,200,000 543,600,000 393,800,000 488,300,000 449,500,000 492,300,000 359,800,000 381,400,000 378,300,000 356,700,000 363,300,000 454,100,000 415,500,000 213,000,000 301,130,000 298,572,000 290,236,000 322,862,000 299,588,000 275,110,000 203,971,000 205,473,000 192,608,000 119,943,000 147,917,000 149,052,000 148,196,000 153,311,000 121,151,000 169,805,000 129,538,000 127,475,000 136,674,000 110,259,000 119,043,000 47,392,000 118,667,000 98,672,000 49,806,000 129,524,000 56,086,000 128,197,000 104,500,000 
          net cash from investing activities
        -62,000,000 -36,900,000 -56,000,000 -42,100,000 -64,200,000 -125,500,000 -71,200,000 -86,200,000 -93,800,000 -140,900,000 -150,800,000 -164,100,000 -130,800,000 -153,800,000 -142,700,000 -126,300,000 -96,000,000 -112,700,000 -63,200,000 -51,500,000 -41,700,000 -16,900,000 -35,500,000 -43,000,000 -28,400,000 -26,300,000 -43,600,000 -31,400,000 -69,500,000 -6,666,500,000 -50,139,000 -369,588,000 -200,701,000 -391,272,000 -487,477,000 -34,176,000 -20,591,000 -2,295,729,000 -53,908,000 -540,680,000 -187,189,000 -1,560,000 -156,566,000 -247,763,000 -272,428,000 -54,920,000 -64,837,000 -174,329,000 -209,193,000 -15,949,000 -47,642,000 -951,055,000 77,890,000 -22,353,000 -73,312,000 -72,214,000 -88,603,000 29,567,000 37,347,000 
          cash flows from financing activities:
                                                                   
          proceeds from issuance of commercial paper
          3,370,400,000 4,212,900,000 2,780,800,000 3,573,400,000 5,480,800,000 2,563,300,000                                                    
          repayments of commercial paper
        -476,000,000 -174,100,000 -4,483,000,000 -4,460,300,000 -1,533,100,000 -4,637,500,000 -4,774,000,000                                                     
          repayment of senior notes
            -1,400,000,000 -1,000,000,000 -1,000,000,000     -1,000,000,000                                          
          proceeds from issuance of convertible debt
          1,250,000,000                                                      
          deferred financing costs
          -1,700,000 -1,500,000 -900,000 -15,600,000 -1,500,000 -500,000       -700,000 -5,200,000 -500,000 -2,100,000 -2,900,000 -11,500,000 -1,600,000 -5,200,000 -7,100,000   -100,000 -72,600,000 8,000 -394,000       -1,750,000 -406,000     -7,515,000           
          purchase of capped call options
          -55,100,000 -105,000,000                                                     
          proceeds from sale of common stock
        17,900,000 12,400,000 20,000,000 11,800,000 20,500,000 13,100,000 24,400,000 17,100,000 25,300,000 15,300,000 28,000,000 16,500,000 24,400,000 13,400,000 23,400,000 13,700,000 21,200,000 12,200,000 20,100,000 10,600,000 18,600,000 11,000,000 20,000,000 11,300,000 20,200,000 7,300,000 15,700,000 6,600,000 13,800,000 6,500,000 15,424,000 7,008,000 15,094,000 4,474,000 13,317,000 3,441,000 20,822,000 4,630,000 4,396,000 10,023,000 3,497,000 13,604,000 6,794,000 9,910,000 4,125,000 12,694,000 2,556,000 15,296,000 6,900,000 13,076,000 6,301,000 11,357,000 4,961,000 17,047,000 14,743,000 7,395,000 18,272,000 20,593,000 29,078,000 
          tax payments related to shares withheld for vested rsus
        -11,600,000 -8,400,000 -12,600,000 -11,800,000 -14,300,000 -18,900,000 -14,200,000 -16,500,000 -14,700,000 -15,700,000 -18,600,000 -17,100,000 -20,700,000 -19,400,000 -17,300,000 -17,800,000                                            
          repurchase of common stock
          -6,500,000 -17,300,000 -72,700,000 -387,400,000 -114,600,000 -339,800,000 -140,300,000 -273,900,000 -229,500,000 -247,200,000 -195,200,000 -259,600,000                                            
          payment of cash dividends on series a preferred stock
        -27,800,000 -25,100,000                                                          
          payment of cash dividends on common stock
        -245,800,000 -245,500,000                                                          
          capital lease payments
        -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -200,000 -213,000 -196,000 -196,000 -195,000 -196,000 -196,000 -196,000 -195,000 -170,000 -168,000 -166,000 -154,000 -152,000 -150,000 -148,000 -141,000 -135,000 -134,000 -44,000           
          other financing
        -500,000 -2,800,000 -2,800,000                                                         
          net cash from financing activities
        -355,800,000 -443,900,000 35,800,000 70,500,000 -8,400,000 -256,200,000 -320,100,000 -742,700,000 -537,000,000 -815,100,000 -613,600,000 -1,129,700,000 -734,700,000 -626,900,000 -601,100,000 -666,900,000 -540,100,000 -519,500,000 -476,700,000 -455,800,000 -424,000,000 -507,700,000 -332,300,000 -357,200,000 -399,800,000 -348,900,000 -363,400,000 -477,600,000 -593,500,000 6,098,000,000 -80,174,000 -149,699,000 -96,059,000 -89,368,000 409,663,000 -82,043,000 -312,174,000 580,015,000 -364,196,000 366,325,000 -38,607,000 -25,474,000 -53,372,000 -80,413,000 257,807,000 -56,918,000 -58,133,000 -39,624,000 -80,341,000 -46,011,000 -52,354,000 543,303,000 -62,768,000 -50,077,000 -52,031,000 -58,794,000 -47,243,000 21,204,000 -99,129,000 
          net decrease in cash and cash equivalents
        -329,700,000 -205,200,000               -24,400,000 -2,300,000 -90,700,000 2,400,000   3,900,000 -4,700,000        -154,328,000 53,371,000 -135,648,000  173,950,000 -110,538,000 -1,492,225,000        91,503,000 30,898,000    28,558,000         
          cash and cash equivalents, at beginning of period
        771,700,000                                                         
          cash and cash equivalents, at end of period
        -329,700,000 566,500,000 185,700,000                                                         
          increase in accounts payable and accrued liabilities
         27,600,000   -141,100,000 -41,200,000 -124,400,000 -88,000,000 29,100,000 34,900,000 97,900,000 81,200,000 -8,100,000 152,400,000 118,900,000 70,500,000   11,000,000   -46,600,000    49,700,000  -105,700,000 -35,600,000 -2,200,000  15,976,000 -10,525,000 36,331,000    -18,000,000   16,157,000    -4,415,000    3,909,000    4,766,000   -32,513,000 -17,787,000 18,641,000 -22,607,000 
          loss on settlement of debt
          1,400,000    3,100,000 9,100,000 2,100,000 6,200,000 11,800,000 16,100,000 85,200,000 300,000 85,600,000 142,100,000 45,100,000 26,800,000 3,400,000 100,000 1,900,000 8,300,000 200,000                                
          proceeds from borrowings on revolving credit facility
              720,000,000 2,966,000,000 2,585,000,000 1,914,000,000 1,256,000,000 1,459,000,000 1,306,000,000 1,229,000,000 1,002,000,000                                            
          repayments of revolving credit facility
              -720,000,000 -39,000,000 -3,652,000,000 -1,960,000,000 -2,067,000,000 -1,975,100,000 -1,687,000,000 -1,505,000,000 -1,370,000,000 -1,268,500,000                                            
          proceeds from borrowings on 2025 term loan facility
                                                                 
          repayments of 2025 term loan facility
                                                                  
          proceeds from issuance of senior notes
                     997,000,000 1,395,800,000 2,182,000,000                                      
          payments on settlement of convertible debt
          -3,700,000    -42,700,000 -90,100,000 -96,900,000 -73,500,000 -64,900,000 -96,200,000   -359,200,000 -428,900,000 -796,100,000 -1,027,200,000         21,000                             
          issuance of series a preferred stock
                                                                   
          payment of cash dividends
          -244,800,000 -244,600,000 -243,700,000 -242,600,000 -242,500,000 -237,400,000 -222,700,000 -208,900,000 -195,900,000 -180,300,000 -166,100,000 -153,000,000 -140,800,000 -128,700,000 -121,200,000 -113,100,000 -106,600,000 -96,000,000 -95,300,000 -90,400,000 -88,000,000 -87,700,000 -87,300,000 -87,100,000 -86,600,000 -86,400,000 -85,900,000 -85,500,000 -85,140,000 -84,912,000 -84,520,000 -82,928,000 -82,582,000 -77,970,000 -77,640,000 -77,237,000 -72,923,000 -72,685,000 -72,331,000 -72,047,000 -71,787,000 -71,442,000 -71,202,000 -70,882,000 -70,554,000             
          net increase in cash and cash equivalents
          185,700,000 299,900,000 -29,000,000 -4,600,000 38,700,000 24,400,000 -14,600,000 37,200,000 -54,900,000   59,700,000 3,900,000       -22,800,000    5,400,000              -24,469,000 -44,268,000   -136,331,000 151,167,000    -125,103,000    144,093,000 30,030,000   -52,541,000 203,308,000 76,895,000 
          increase in inventories
                5,500,000 -10,600,000  -134,600,000 -125,200,000 -65,000,000                                         -6,223,000 -8,690,000 -21,384,000   
          cash and cash equivalents, and restricted cash at beginning of period
            319,700,000 234,000,000 317,400,000 280,000,000 401,000,000 428,600,000 901,300,000                              
          cash and cash equivalents, and restricted cash at end of period
            -29,000,000 315,100,000 38,700,000 24,400,000 -14,600,000 271,200,000 -54,900,000 -15,900,000 -72,300,000 377,100,000 3,900,000 60,200,000 -24,400,000 277,700,000 -90,700,000 2,400,000 -9,900,000 378,200,000 3,900,000 -4,700,000   -3,600,000 -27,500,000 -175,500,000 635,200,000                              
          proceeds from sales of assets
              100,000 300,000 500,000 400,000 1,900,000                                            
          supplemental disclosure of cash flow information:
                                                                   
          non-cash activities:
                                                                   
          rou assets obtained in exchange of lease liabilities
                                                                   
          increase in accounts receivable
               308,100,000 -241,200,000 -159,700,000    -72,400,000            -56,200,000    -55,200,000 -10,538,000 -7,719,000      -9,901,000   -3,096,000   7,818,000 -37,247,000   1,769,000 -2,462,000    -2,814,000    -15,052,000  15,487,000 
          other non-cash adjustment
                -100,000 500,000 -2,100,000 -200,000 -1,900,000 -5,600,000 -4,800,000 900,000  400,000 500,000    -100,000                                  
          repayment of bridge loan facility
                          -615,000,000                                      
          repayments of term loan facility
                          -1,705,700,000 -17,800,000 -188,000,000 -801,500,000 -20,000,000                                
          cash paid for:
                                                                   
          purchases of available-for-sale investments
                                 -167,700,000 -256,660,000 -458,703,000 -392,002,000 -487,435,000 -465,162,000 -35,122,000 -25,000 -430,775,000 -541,588,000 -570,501,000 -237,457,000 -371,263,000 -178,092,000 -172,506,000 -386,922,000 -240,363,000 -333,737,000 -376,460,000 -339,367,000 -203,318,000 -413,976,000 -29,130,000 -171,506,000 -296,404,000 -340,822,000 -324,893,000 -148,749,000 -62,430,000 
          sales of available-for-sale investments and marketable equity securities
                                                                   
          proceeds from borrowings on bridge loan facility
                                                                   
          proceeds from sale of assets
                          8,100,000 200,000 2,700,000 300,000 200,000 100,000 100,000 11,000 48,000 15,000 10,226,000 23,003,000 14,000 52,000 13,669,000 627,000     35,000 16,200,000 240,000 16,000 50,000 199,000 164,000   1,109,000 2,129,000 
          proceeds from borrowings on revolving loan under credit facility
                         775,000,000 893,000,000 869,000,000 966,000,000 1,238,000,000 344,000,000 255,000,000 223,000,000 204,000,000 691,000,000 93,000,000 147,000,000 3,485,500,000 74,000,000 53,000,000 60,000,000 20,000,000 132,000,000 105,000,000 1,280,000,000 93,000,000 879,500,000 145,000,000                   
          repayments of revolving loan under credit facility
                         -1,163,000,000 -903,000,000 -432,000,000 -501,000,000 -2,171,900,000 -580,000,000 -512,000,000 -538,500,000 -273,500,000 -167,000,000 -450,500,000 -381,000,000 -151,500,000 -74,000,000 -53,000,000 -60,000,000 -1,702,500,000 -127,000,000 -349,500,000 -602,000,000 -381,000,000 -80,000,000 -110,000,000                   
          tax payments related to shares withheld for vested restricted stock units
                         -25,300,000 -18,100,000 -21,100,000 -14,400,000 -11,000,000 -17,900,000 -23,600,000 -15,200,000 -11,400,000 -14,800,000 -20,100,000 -20,100,000 -16,800,000 -10,274,000 -12,950,000 -10,457,000 -10,719,000 -10,241,000 -12,318,000 -10,660,000 -25,183,000 -6,077,000 -6,660,000 -4,464,000 -5,228,000 -3,970,000 -5,338,000 -4,968,000               
          losses on equity method investments
                                  100,000 100,000 33,000 56,000 56,000 55,000 55,000 55,000 56,000 56,000 56,000 56,000 177,000 188,000 62,000 35,000 32,000 -34,000 -150,000 101,000 260,000 235,000 229,000 32,000 121,000   13,000 61,000   
          gains on sale of assets
                            -900,000         -479,000 -40,000 -816,000 -4,565,000 -3,000 -14,000 -61,000                      
          losses on write-down of fixed assets
                                 300,000     7,000 5,000 48,000  961,000                        
          gains on equity investments
                                                                  
          impairment of available-for-sale investments
                                                                   
          amortization of premium on available-for-sale investments
                                  -200,000 -231,000 -62,000 117,000 476,000 13,000   13,000 2,498,000 2,336,000 2,396,000 2,388,000 2,495,000 2,477,000 2,589,000 2,687,000              
          maturities of available-for-sale investments
                                  2,300,000 -200,000 9,200,000 66,700,000 266,614,000 157,000,000                            
          acquisition of microsemi, net of cash acquired
                                  600,000 -7,851,200,000                              
          proceeds from borrowings on term loan facility
                                  3,000,000,000                              
          repayment of debt assumed in microsemi acquisition
                                  -2,056,900,000                              
          restricted cash
                                                                   
          interest
                                                                   
          income taxes
                                                                   
          operating lease payments in operating cash flows
                                                                   
          during the fiscal year ended march 31, 2021, the company completed the december 2020 settlement of 1,086.5 million principal amount of convertible debt in exchange for 428.9 million in cash, 8.4 million shares of common stock and 665.5 million principal amount of 2020 senior convertible debt. refer to note 7 for further information.
                                                                   
          during the fiscal year ended march 31, 2020, the company adopted accounting standards codification topic 842, leases, using the retrospective cumulative effect adjustment transition method. the disclosures are not applicable for the fiscal year ended march 31, 2019.
                                                                   
          losses on sale of assets
                                                                   
          during the nine months ended december 31, 2020, the company completed the december 2020 settlement of 1,086.5 million principal amount of convertible debt in exchange for 428.9 million in cash, 8.4 million shares of common stock and 665.5 million principal amount of 2020 senior convertible debt. refer to note 6 for further information.
                                                                   
          gains on available-for-sale investments and marketable equity securities
                            -200,000                                      
          supplemental disclosure of cash flow information
                                                                   
          gains on marketable equity securities
                                                                   
          increase in deferred income on shipments to distributors
                                      -1,890,000 11,342,000 15,566,000 15,982,000 -1,444,000 71,063,000 10,025,000 29,739,000 -16,380,000 12,091,000 1,401,000 11,864,000 -5,321,000 13,002,000 -1,215,000 4,483,000 -7,734,000 1,232,000 10,865,000 16,341,000 -511,000 953,000 2,084,000 -7,077,000 -28,399,000 -1,413,000 5,554,000 -2,641,000 10,403,000 
          proceeds from issuance of 2023 and 2021 senior notes
                                  1,989,500,000                              
          right-of-use assets obtained in exchange of lease liabilities
                                                                   
          losses on available-for-sale investments and marketable equity securities
                               -200,000 -800,000                                  
          sales of available-for-sale investments
                                  1,376,600,000                              
          realized gain on equity method investment
                                              -2,225,000                   
          impairment of available-for-sale investment
                                                                  
          operating cash flows related to discontinued operations
                                          -966,000 4,318,000 5,996,000                      
          sale of equity method investment
                                          1,278,000 468,000 2,667,000                   
          acquisition of atmel, net of cash acquired
                                          -2,747,516,000                      
          proceeds from issuance of 2017 senior convertible debt
                                                                   
          proceeds from issuance of 2017 junior convertible debt
                                                                   
          effect of foreign exchange rate changes on cash and cash equivalents
                                          -633,000 104,000 -478,000          -353,000         
          net decrease in cash, cash equivalents, and restricted cash
                                   -27,500,000 -175,500,000 -266,100,000                              
          amortization of debt discount on convertible debt
                                    27,900,000 27,500,000 27,083,000 26,711,000 26,353,000 25,953,000                          
          losses on available-for-sale investments
                                    1,000,000 5,200,000                              
          loss on settlement of convertible debt
                                      34,000 2,140,000 13,826,000                          
          other non-cash adjustments
                                     -100,000                              
          excess tax benefit from share-based compensation
                                              -328,000 -144,000 -263,000 -116,000 -118,000       -143,000 -42,000 -92,000 -20,000 -135,000 -39,000 -17,000 -385,000 -614,000  
          loss on write-down of fixed assets
                                             269,000    77,000                 
          realized losses (gain) on available-for-sale investments
                                                                   
          acquisition of micrel, net of cash acquired
                                                                  
          purchase of additional controlling interest in issc
                                              -18,051,000 -9,161,000 -21,169,000                 
          proceeds from issuance of 2017 senior debt
                                                                   
          proceeds from issuance of 2017 junior debt
                                                                   
          cash and cash equivalents at beginning of period
                                      16,000 908,684,000 2,092,751,000 607,815,000 466,603,000 528,334,000 635,755,000 703,924,000  
          cash and cash equivalents at end of period
                                      229,221,000 -154,328,000 53,371,000 773,036,000 244,746,000 173,950,000 -110,538,000 600,526,000 -207,627,000 -24,469,000 563,547,000 151,476,000 -25,100,000 -136,331,000 617,770,000 91,503,000 30,898,000 -59,029,000 403,231,000 63,041,000 28,558,000 -343,113,000 779,848,000 30,030,000 -69,404,000 23,746,000 651,383,000  76,895,000 
          realized losses on available-for-sale investment
                                           7,000 82,000                      
          realized gains on equity method investment
                                           -468,000                      
          payments on conversion of convertible debt
                                                                   
          (increase) in accounts receivable
                                         -50,581,000                          
          sales and maturities of available-for-sale investments
                                         110,000,000 14,000 470,551,000 397,716,000 362,325,000 433,446,000 275,905,000 274,123,000 225,834,000 321,203,000 367,110,000 213,380,000 188,192,000 182,614,000 338,872,000 167,114,000 211,154,000 139,439,000 190,262,000 230,793,000 297,960,000 264,485,000 216,291,000 145,235,000 
          acquisition of issc, net of cash acquired
                                                                 
          acquisition of supertex, net of cash acquired
                                                 -375,365,000               
          proceeds from issuance of 2015 senior debt
                                                                   
          repayments of long-term borrowings
                                                 -336,875,000 -4,375,000 -4,375,000 -4,375,000               
          amortization of debt discount on convertible debentures
                                           12,494,000 12,307,000 12,106,000 12,163,000 11,974,000 11,772,000 7,480,000 2,501,000 2,445,000 2,365,000 2,288,000 2,286,000 2,235,000 2,161,000 2,091,000 2,089,000 2,042,000 1,975,000 1,932,000 1,909,000 1,866,000 1,805,000 1,746,000 1,745,000 
          special charges (income) and other
                                                                   
          special charges
                                              840,000                     
          gain on sale of assets
                                              -100,000 -300,000 -560,000         -240,000   -199,000 -164,000   -50,000 
          realized gain on available-for-sale investment
                                              -95,000 -13,959,000                   
          changes in operating assets and liabilities:
                                                                   
          loss on retirement of junior convertible debentures
                                                                   
          convertible debt derivatives - revaluation and amortization
                                                 -53,000 33,000 57,000 -11,000 -33,000 -201,000 -264,000 16,000 -115,000 -336,000 259,000 330,000 -223,000 61,000 396,000 -30,000  -249,000 
          realized gain on available-for-sale investments
                                                                   
          unrealized impairment loss on available-for-sale investments
                                                         1,000 78,000   -1,055,000 204,000 2,064,000 945,000 3,396,000 422,000 
          special (income) charges
                                                                   
          gain on shares of acquired company
                                                                  
          acquisition of smsc, net of cash acquired
                                                                 
          other business acquisitions, net of cash acquired
                                                     -9,013,000           
          payments to retire junior convertible debentures
                                                                   
          proceeds from issuance of senior convertible debentures
                                                                   
          repayments of revolving loan under previous credit facility
                                                     -650,000,000           
          repayments of revolving loan under new credit facility
                                                 -1,269,742,000 -119,400,000 -138,500,000 -170,000,000 -300,000,000 -83,500,000             
          proceeds from borrowings on revolving loan under previous credit facility
                                                     30,000,000           
          proceeds from borrowings on revolving loan under new credit facility
                                                 1,087,319,000 139,400,000 128,500,000 504,375,000 300,000,000 93,500,000 100,000,000 260,000,000           
          proceeds from issuance of long-term borrowings
                                                     350,000,000           
          contingent consideration payment
                                                                 
          special income
                                                      -762,000             
          special charge
                                                        1,392,000           
          business acquisitions, net of cash acquired
                                                        -2,174,000           
          payment of cash dividend
                                                        -69,682,000 -69,230,000 -68,697,000 -68,146,000 -67,749,000 -67,259,000 -66,813,000 -66,206,000 -65,900,000 -3,000 -129,447,000 
          amortization of convertible debenture issuance costs
                                                         53,000 55,000 55,000 54,000 54,000 55,000 55,000 55,000  55,000 
          acquisition of sst, net of cash acquired
                                                                   
          proceeds from borrowings on line of credit
                                                         10,000,000 10,000,000         
          business acquisitions
                                                            -20,556,000       
          sales of trading securities
                                                                   
          gain on trading securities
                                                                   
          purchase of silicon storage technology, inc., net of cash received
                                                                  
          investment in silicon storage technology, inc.
                                                                   
          losses (gains) on equity method investments
                                                                   
          decrease (increase) in accounts receivable
                                                                   
          investment in other assets
                                                               -4,170,000 -976,000 -14,744,000 -13,410,000 
          adjustments to reconcile net income to net cash from operating
                                                                   
          activities:
                                                                   
          convertible debt derivatives – revaluation and amortization
                                                                   
          amortization of junior convertible debenture issuance costs
                                                                   
          gains on equity method investments
                                                                 28,000  
          sales (purchases) of trading securities
                                                                   
          loss on trading securities
                                                                   
          purchase of silicon storage technology, net of cash received
                                                                   
          investment in silicon storage technology
                                                                   
          cash and cash equivalents at beginning of year
                                                                   
          cash and cash equivalents at end of year
                                                                   
          see accompanying notes to consolidated financial statements
                                                                   
          see accompanying notes to condensed consolidated financial statements