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Inventories - Summary of Inventories (Details) - USD ($) $ in Thousands	Oct. 26, 2025	Jan. 26, 2025
Inventory Disclosure [Abstract]
Raw materials and electronic components	$ 38,002	$ 46,333
Work in progress	107,191	87,896
Finished goods	40,533	29,364
Inventories	$ 185,726	$ 163,593

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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-Topic 852
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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