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v3.26.1

Segment Information - Segment Reporting Information by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 04, 2026 | Jun. 28, 2025 | Jul. 04, 2026 | Jun. 28, 2025 | Dec. 31, 2025
Segment Information [Abstract] |  |  |  |  |
Net revenues | $ 888,575 | $ 762,250 | $ 1,727,817 | $ 1,477,486 |
Cost of products sold (excluding depreciation) | 632,029 | 564,479 | 1,243,576 | 1,097,181 |
Depreciation expense in costs of products sold | 49,164 | 49,088 | 100,247 | 96,068 |
Total cost of products sold | 681,193 | 613,567 | 1,343,823 | 1,193,249 |
Gross profit | 207,382 | 148,683 | 383,994 | 284,237 |
Segment operating expenses | 60,832 | 56,620 | 118,650 | 108,670 |
Segment operating income (loss) | 146,550 | 92,063 | 265,344 | 175,567 |
Total depreciation expense | 52,845 | 52,679 | 107,821 | 103,197 |
Capital expenditures | 95,201 | 64,598 | 205,862 | 126,167 |
Total assets | 5,156,366 | 4,221,655 | 5,156,366 | 4,221,655 | $ 4,234,160
MOSFETs [Member] |  |  |  |  |
Segment Information [Abstract] |  |  |  |  |
Net revenues | 188,926 | 148,633 | 362,917 | 290,746 |
Cost of products sold (excluding depreciation) | 148,666 | 125,546 | 286,720 | 243,053 |
Depreciation expense in costs of products sold | 14,121 | 13,708 | 27,681 | 26,708 |
Total cost of products sold | 162,787 | 139,254 | 314,401 | 269,761 |
Gross profit | 26,139 | 9,379 | 48,516 | 20,985 |
Segment operating expenses | 23,587 | 23,859 | 44,657 | 44,204 |
Segment operating income (loss) | 2,552 | (14,480) | 3,859 | (23,219) |
Total depreciation expense | 14,926 | 14,342 | 29,270 | 27,914 |
Capital expenditures | 77,696 | 46,002 | 172,378 | 92,305 |
Total assets | 1,298,043 | 1,123,514 | 1,298,043 | 1,123,514 |
Diodes [Member] |  |  |  |  |
Segment Information [Abstract] |  |  |  |  |
Net revenues | 186,965 | 147,942 | 350,634 | 288,905 |
Cost of products sold (excluding depreciation) | 129,512 | 106,770 | 246,471 | 208,599 |
Depreciation expense in costs of products sold | 11,750 | 11,634 | 23,629 | 22,746 |
Total cost of products sold | 141,262 | 118,404 | 270,100 | 231,345 |
Gross profit | 45,703 | 29,538 | 80,534 | 57,560 |
Segment operating expenses | 9,008 | 7,353 | 17,909 | 14,178 |
Segment operating income (loss) | 36,695 | 22,185 | 62,625 | 43,382 |
Total depreciation expense | 12,101 | 11,917 | 24,431 | 23,400 |
Capital expenditures | 4,835 | 3,809 | 9,096 | 8,138 |
Total assets | 712,059 | 725,548 | 712,059 | 725,548 |
Optoelectronic Components [Member] |  |  |  |  |
Segment Information [Abstract] |  |  |  |  |
Net revenues | 70,076 | 54,119 | 128,951 | 105,287 |
Cost of products sold (excluding depreciation) | 50,262 | 37,596 | 94,333 | 74,254 |
Depreciation expense in costs of products sold | 3,835 | 3,965 | 7,692 | 7,775 |
Total cost of products sold | 54,097 | 41,561 | 102,025 | 82,029 |
Gross profit | 15,979 | 12,558 | 26,926 | 23,258 |
Segment operating expenses | 6,460 | 5,743 | 12,683 | 11,024 |
Segment operating income (loss) | 9,519 | 6,815 | 14,243 | 12,234 |
Total depreciation expense | 3,945 | 4,081 | 7,921 | 7,998 |
Capital expenditures | 787 | 4,043 | 840 | 4,755 |
Total assets | 351,750 | 360,008 | 351,750 | 360,008 |
Resistors [Member] |  |  |  |  |
Segment Information [Abstract] |  |  |  |  |
Net revenues | 215,028 | 194,769 | 418,771 | 374,269 |
Cost of products sold (excluding depreciation) | 156,530 | 139,330 | 304,404 | 267,802 |
Depreciation expense in costs of products sold | 11,013 | 11,109 | 22,086 | 21,783 |
Total cost of products sold | 167,543 | 150,439 | 326,490 | 289,585 |
Gross profit | 47,485 | 44,330 | 92,281 | 84,684 |
Segment operating expenses | 10,757 | 9,421 | 21,400 | 18,624 |
Segment operating income (loss) | 36,728 | 34,909 | 70,881 | 66,060 |
Total depreciation expense | 11,190 | 11,308 | 22,454 | 22,172 |
Capital expenditures | 4,052 | 5,644 | 6,386 | 8,691 |
Total assets | 907,412 | 967,976 | 907,412 | 967,976 |
Inductors {Member] |  |  |  |  |
Segment Information [Abstract] |  |  |  |  |
Net revenues | 104,189 | 95,675 | 196,414 | 179,796 |
Cost of products sold (excluding depreciation) | 67,788 | 64,594 | 126,575 | 126,876 |
Depreciation expense in costs of products sold | 4,025 | 4,245 | 8,105 | 8,487 |
Total cost of products sold | 71,813 | 68,839 | 134,680 | 135,363 |
Gross profit | 32,376 | 26,836 | 61,734 | 44,433 |
Segment operating expenses | 4,129 | 3,887 | 8,189 | 7,582 |
Segment operating income (loss) | 28,247 | 22,949 | 53,545 | 36,851 |
Total depreciation expense | 4,117 | 4,291 | 8,231 | 8,574 |
Capital expenditures | 1,977 | 1,021 | 2,950 | 1,605 |
Total assets | 309,329 | 328,726 | 309,329 | 328,726 |
Capacitors [Member] |  |  |  |  |
Segment Information [Abstract] |  |  |  |  |
Net revenues | 153,399 | 121,112 | 300,138 | 238,483 |
Cost of products sold (excluding depreciation) | 109,279 | 90,643 | 215,081 | 176,597 |
Depreciation expense in costs of products sold | 4,420 | 4,427 | 11,054 | 8,569 |
Total cost of products sold | 113,699 | 95,070 | 226,135 | 185,166 |
Gross profit | 39,700 | 26,042 | 74,003 | 53,317 |
Segment operating expenses | 6,891 | 6,357 | 13,812 | 13,058 |
Segment operating income (loss) | 32,809 | 19,685 | 60,191 | 40,259 |
Total depreciation expense | 4,469 | 4,472 | 11,153 | 8,656 |
Capital expenditures | 4,791 | 3,024 | 12,619 | 8,999 |
Total assets | 510,983 | 462,490 | 510,983 | 462,490 |
Corporate/Other [Member] |  |  |  |  |
Segment Information [Abstract] |  |  |  |  |
Net revenues | (30,008) |  | (30,008) |  |
Cost of products sold (excluding depreciation) | (30,008) |  | (30,008) |  |
Depreciation expense in costs of products sold | 0 |  | 0 |  |
Total cost of products sold | (30,008) |  | (30,008) |  |
Gross profit | 0 |  | 0 |  |
Segment operating expenses | 0 |  | 0 |  |
Segment operating income (loss) | 0 |  | 0 |  |
Total depreciation expense | 2,097 | 2,268 | 4,361 | 4,483 |
Capital expenditures | 1,063 | 1,055 | 1,593 | 1,674 |
Total assets | $ 1,066,790 | $ 253,393 | $ 1,066,790 | $ 253,393 |

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