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v3.23.1

Segment Information - Net Sales Activity by Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 29, 2023 | Jan. 30, 2022 | Jan. 31, 2021
Revenue from External Customer [Line Items] |  |  |
Net sales | $ 756,533 | $ 740,858 | $ 595,117
Gross profit | $ 478,558 | $ 461,139 | $ 355,873
Net sales revenue | Customer Concentration Risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk, percentage | 100.00% | 100.00% | 100.00%
Signal Integrity Products Group |  |  |
Revenue from External Customer [Line Items] |  |  |
Net sales | $ 304,124 | $ 291,114 | $ 255,640
Gross profit | $ 211,791 | $ 200,251 | $ 172,069
Signal Integrity Products Group | Net sales revenue | Customer Concentration Risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk, percentage | 40.00% | 40.00% | 43.00%
Advanced Protection and Sensing Products Group |  |  |
Revenue from External Customer [Line Items] |  |  |
Net sales | $ 236,890 | $ 306,932 | $ 243,085
Gross profit | $ 125,584 | $ 163,474 | $ 127,468
Advanced Protection and Sensing Products Group | Net sales revenue | Customer Concentration Risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk, percentage | 31.00% | 41.00% | 41.00%
IoT System Products Group |  |  |
Revenue from External Customer [Line Items] |  |  |
Net sales | $ 210,326 | $ 142,812 | $ 96,392
Gross profit | $ 148,895 | $ 106,474 | $ 65,762
IoT System Products Group | Net sales revenue | Customer Concentration Risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk, percentage | 28.00% | 19.00% | 16.00%
IoT Connected Services Group |  |  |
Revenue from External Customer [Line Items] |  |  |
Net sales | $ 5,193 | $ 0 | $ 0
Gross profit | $ 2,489 | $ 0 | $ 0
IoT Connected Services Group | Net sales revenue | Customer Concentration Risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk, percentage | 1.00% | 0.00% | 0.00%
Unallocated costs, including share-based compensation and amortization of acquired technology |  |  |
Revenue from External Customer [Line Items] |  |  |
Gross profit | $ (10,201) | $ (9,060) | $ (9,426)

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