Segment Information - Net Sales Activity by Segment (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 30, 2023	Jul. 31, 2022	Jul. 30, 2023	Jul. 31, 2022
Revenue from External Customer [Line Items]
Net sales	$ 238,372	$ 209,254	$ 474,911	$ 411,403
Gross profit	$ 100,728	$ 134,771	$ 203,674	$ 263,976
Net sales \| Customer Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Signal Integrity
Revenue from External Customer [Line Items]
Net sales	$ 46,507	$ 87,355	$ 88,153	$ 166,657
Gross profit	$ 27,850	$ 60,226	$ 52,934	$ 116,091
Signal Integrity \| Net sales \| Customer Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	20.00%	42.00%	19.00%	41.00%
Advanced Protection and Sensing
Revenue from External Customer [Line Items]
Net sales	$ 48,521	$ 65,275	$ 84,578	$ 137,697
Gross profit	$ 27,116	$ 36,165	$ 46,515	$ 73,294
Advanced Protection and Sensing \| Net sales \| Customer Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	20.00%	31.00%	18.00%	33.00%
IoT System Products Group
Revenue from External Customer [Line Items]
Net sales	$ 119,455	$ 56,624	$ 254,031	$ 107,049
Gross profit	$ 51,209	$ 40,237	$ 110,332	$ 78,490
IoT System Products Group \| Net sales \| Customer Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	50.00%	27.00%	53.00%	26.00%
IoT Connected Services Group
Revenue from External Customer [Line Items]
Net sales	$ 23,889	$ 0	$ 48,149	$ 0
Gross profit	$ 11,903	$ 0	$ 23,066	$ 0
IoT Connected Services Group \| Net sales \| Customer Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	10.00%	0.00%	10.00%	0.00%
Unallocated costs, including share-based compensation and amortization of acquired technology
Revenue from External Customer [Line Items]
Gross profit	$ (17,350)	$ (1,857)	$ (29,173)	$ (3,899)