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Segment Information - Net Sales Activity by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Aug. 01, 2021	Jul. 31, 2022	Aug. 01, 2021
Revenue from External Customer [Line Items]
Net sales	$ 209,254	$ 185,004	$ 411,403	$ 355,376
Gross profit	135,819	115,432	266,072	220,293
High-Performance Analog Group
Revenue from External Customer [Line Items]
Net sales	154,995	135,680	301,596	260,882
Gross profit	107,224	91,352	209,285	174,432
System Protection Group
Revenue from External Customer [Line Items]
Net sales	54,259	49,324	109,807	94,494
Gross profit	29,403	25,463	58,590	48,203
Unallocated costs, including share-based compensation
Revenue from External Customer [Line Items]
Gross profit	$ (808)	$ (1,383)	$ (1,803)	$ (2,342)

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