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Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 30, 2024	Sep. 28, 2024
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 201,090	$ 201,090
Foreign currency translation	306	164
Goodwill, ending balance		200,137
FRT Metrology
Goodwill [Roll Forward]
Reduction - divesture	(10,660)
China Operations
Goodwill [Roll Forward]
Reduction - divesture		(1,117)
Probe Cards
Goodwill [Roll Forward]
Goodwill, beginning balance	178,424	178,424
Foreign currency translation	0	0
Goodwill, ending balance		177,369
Probe Cards | FRT Metrology
Goodwill [Roll Forward]
Reduction - divesture	0
Probe Cards | China Operations
Goodwill [Roll Forward]
Reduction - divesture		(1,055)
Systems
Goodwill [Roll Forward]
Goodwill, beginning balance	22,666	22,666
Foreign currency translation	306	164
Goodwill, ending balance		22,768
Systems | FRT Metrology
Goodwill [Roll Forward]
Reduction - divesture	$ (10,660)
Systems | China Operations
Goodwill [Roll Forward]
Reduction - divesture		$ (62)

X

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount of increase (decrease) of asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized, classified as other.

+ References

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