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v3.25.1

Operating Segments and Enterprise-Wide Information - Operating Results by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 29, 2025 | Mar. 30, 2024
Segment Reporting Information [Line Items] |  |
Revenues | $ 171,356 | $ 168,725
Gross profit | 64,523 | 62,738
Cost of revenues | $ 106,833 | $ 105,987
Gross margin | 37.70% | 37.20%
Research and development | $ 27,800 | $ 28,627
Selling Expense | 13,027 | 12,506
Marketing Expense | 4,447 | 5,280
Net Contribution | 19,249 | 16,325
General and Administrative Expense | 15,980 | 15,293
Gain (loss) on disposition of business | 0 | 20,271
Operating Income (Loss) | 3,269 | 21,303
Investment Income, Interest | 3,416 | 3,258
Interest Expense, Operating and Nonoperating | (99) | (102)
Other income, net | 890 | 520
Income before income taxes | 7,476 | 24,979
Systems |  |
Segment Reporting Information [Line Items] |  |
Revenues | 34,836 | 32,024
Probe Cards |  |
Segment Reporting Information [Line Items] |  |
Revenues | 136,520 | 136,701
Probe Cards | Systems |  |
Segment Reporting Information [Line Items] |  |
Revenues | 0 | 0
Systems |  |
Segment Reporting Information [Line Items] |  |
Revenues | 34,836 | 32,024
Systems | Systems |  |
Segment Reporting Information [Line Items] |  |
Revenues | 34,836 | 32,024
Operating segments | Probe Cards |  |
Segment Reporting Information [Line Items] |  |
Revenues | 136,520 | 136,701
Gross profit | 51,615 | 50,791
Cost of revenues | $ 84,905 | $ 85,910
Gross margin | 37.80% | 37.20%
Research and development | $ 21,056 | $ 20,848
Selling Expense | 6,566 | 7,220
Marketing Expense | 1,580 | 1,918
Net Contribution | 22,413 | 20,805
Operating segments | Systems |  |
Segment Reporting Information [Line Items] |  |
Revenues | 34,836 | 32,024
Gross profit | 15,515 | 14,506
Cost of revenues | $ 19,321 | $ 17,518
Gross margin | 44.50% | 45.30%
Research and development | $ 3,968 | $ 5,166
Selling Expense | 3,660 | 3,586
Marketing Expense | 1,741 | 1,660
Net Contribution | 6,146 | 4,094
Corporate and Other |  |
Segment Reporting Information [Line Items] |  |
Revenues | 0 | 0
Gross profit | (2,607) | (2,559)
Cost of revenues | 2,607 | 2,559
Research and development | 2,776 | 2,613
Selling Expense | 2,801 | 1,700
Marketing Expense | 1,126 | 1,702
Net Contribution | $ (9,310) | $ (8,574)

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