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v3.23.1

Segment Information - Net Sales Activity by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 30, 2023 | May 01, 2022
Revenue from External Customer [Line Items] |  |
Net sales | $ 236,539 | $ 202,149
Gross profit | $ 102,946 | $ 129,205
Net sales | Customer Concentration Risk |  |
Revenue from External Customer [Line Items] |  |
Concentration risk, percentage | 100.00% | 100.00%
Signal Integrity |  |
Revenue from External Customer [Line Items] |  |
Net sales | $ 41,646 | $ 79,302
Gross profit | $ 25,084 | $ 55,865
Signal Integrity | Net sales | Customer Concentration Risk |  |
Revenue from External Customer [Line Items] |  |
Concentration risk, percentage | 18.00% | 39.00%
Advanced Protection and Sensing |  |
Revenue from External Customer [Line Items] |  |
Net sales | $ 36,057 | $ 72,422
Gross profit | $ 19,399 | $ 37,129
Advanced Protection and Sensing | Net sales | Customer Concentration Risk |  |
Revenue from External Customer [Line Items] |  |
Concentration risk, percentage | 15.00% | 36.00%
IoT System Products Group |  |
Revenue from External Customer [Line Items] |  |
Net sales | $ 134,576 | $ 50,425
Gross profit | $ 59,123 | $ 38,253
IoT System Products Group | Net sales | Customer Concentration Risk |  |
Revenue from External Customer [Line Items] |  |
Concentration risk, percentage | 57.00% | 25.00%
IoT Connected Services Group |  |
Revenue from External Customer [Line Items] |  |
Net sales | $ 24,260 | $ 0
Gross profit | $ 11,163 | $ 0
IoT Connected Services Group | Net sales | Customer Concentration Risk |  |
Revenue from External Customer [Line Items] |  |
Concentration risk, percentage | 10.00% | 0.00%
Unallocated costs, including share-based compensation and amortization of acquired technology |  |
Revenue from External Customer [Line Items] |  |
Gross profit | $ (11,823) | $ (2,042)

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