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v3.22.1

Segment Information - Net Sales Activity by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
May 01, 2022 | May 02, 2021
Revenue from External Customer [Line Items] |  |
Net sales | $ 202,149 | $ 170,372
Gross profit | 130,253 | 104,861
High-Performance Analog Group |  |
Revenue from External Customer [Line Items] |  |
Net sales | 146,601 | 125,202
Gross profit | 102,061 | 83,080
System Protection Group |  |
Revenue from External Customer [Line Items] |  |
Net sales | 55,548 | 45,170
Gross profit | 29,187 | 22,741
Unallocated costs, including share-based compensation |  |
Revenue from External Customer [Line Items] |  |
Gross profit | $ (995) | $ (960)

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