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v3.25.1

Changes in Carrying Amount of Goodwill by Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Mar. 30, 2025
Goodwill [Line Items] |  |
Goodwill | $ 1,157,933 | $ 1,171,879
Accumulated impairment losses | (762,566) | (762,566)
AET acquisition | 1,257 |
Foreign currency translation adjustment | 12,689 |
Total Goodwill | 395,367 | 409,313
Robotics |  |
Goodwill [Line Items] |  |
Goodwill | 375,298 | 387,946
Accumulated impairment losses | 0 | 0
AET acquisition | 0 |
Foreign currency translation adjustment | 12,648 |
Total Goodwill | 375,298 | 387,946
Semiconductor Test |  |
Goodwill [Line Items] |  |
Goodwill | 262,117 | 263,415
Accumulated impairment losses | (260,540) | (260,540)
AET acquisition | 1,257 |
Foreign currency translation adjustment | 41 |
Total Goodwill | 1,577 | 2,875
Product Test |  |
Goodwill [Line Items] |  |
Goodwill | 520,518 | 520,518
Accumulated impairment losses | (502,026) | (502,026)
AET acquisition | 0 |
Foreign currency translation adjustment | 0 |
Total Goodwill | $ 18,492 | $ 18,492

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