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v3.25.2

Operating Segments and Enterprise-Wide Information - Operating Results by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 28, 2025 | Jun. 29, 2024 | Jun. 28, 2025 | Jun. 29, 2024
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 195,798 | $ 197,474 | $ 367,154 | $ 366,199
Cost of revenues | 122,860 | 110,574 | 229,693 | 216,561
Gross profit | $ 72,938 | $ 86,900 | $ 137,461 | $ 149,638
Gross margin | 37.30% | 44.00% | 37.40% | 40.90%
Research and development | $ 28,793 | $ 31,564 | $ 56,593 | $ 60,191
Selling Expense | 11,974 | 13,894 | 25,001 | 26,400
Marketing Expense | 4,807 | 6,492 | 9,254 | 11,772
Net Contribution | 27,364 | 34,950 | 46,613 | 51,275
General and Administrative Expense | 15,058 | 17,488 | 31,038 | 32,781
Gain (loss) on disposition of business | 0 | 310 | 0 | 20,581
Operating Income (Loss) | 12,306 | 17,772 | 15,575 | 39,075
Other income (expense), net | (6) | 360 | 884 | 880
Income before income taxes | 14,942 | 21,547 | 22,418 | 46,526
Interest income, net | 2,642 | 3,415 | 5,959 | 6,571
Systems |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 33,690 | 30,682 | 68,526 | 62,706
Probe Cards |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 162,108 | 166,792 | 298,628 | 303,493
Probe Cards | Systems |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Systems |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 33,690 | 30,682 | 68,526 | 62,706
Systems | Systems |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 33,690 | 30,682 | 68,526 | 62,706
Operating segments | Probe Cards |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 162,108 | 166,792 | 298,628 | 303,493
Cost of revenues | 100,040 | 91,553 | 184,945 | 177,463
Gross profit | $ 62,068 | $ 75,239 | $ 113,683 | $ 126,030
Gross margin | 38.30% | 45.10% | 38.10% | 41.50%
Research and development | $ 20,974 | $ 23,710 | $ 42,030 | $ 44,558
Selling Expense | 7,181 | 8,353 | 13,747 | 15,573
Marketing Expense | 1,598 | 2,907 | 3,178 | 4,825
Net Contribution | 32,315 | 40,269 | 54,728 | 61,074
Operating segments | Systems |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 33,690 | 30,682 |  |
Cost of revenues | 20,419 | 16,505 | 39,740 | 34,023
Gross profit | $ 13,271 | $ 14,177 | $ 28,786 | $ 28,683
Gross margin | 39.40% | 46.20% | 42.00% | 45.70%
Research and development | $ 5,261 | $ 5,240 | $ 9,229 | $ 10,406
Selling Expense | 3,424 | 4,174 | 7,084 | 7,760
Marketing Expense | 1,882 | 1,824 | 3,623 | 3,484
Net Contribution | 2,704 | 2,939 | 8,850 | 7,033
Operating segments | Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues |  |  | 0 | 0
Gross profit |  |  | (5,008) | (5,075)
Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 0 | 0 |  |
Cost of revenues | 2,401 | 2,516 | 5,008 | 5,075
Gross profit | (2,401) | (2,516) |  |
Research and development | 2,558 | 2,614 | 5,334 | 5,227
Selling Expense | 1,369 | 1,367 | 4,170 | 3,067
Marketing Expense | 1,327 | 1,761 | 2,453 | 3,463
Net Contribution | $ (7,655) | $ (8,258) | $ (16,965) | $ (16,832)

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