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)