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Segment Information - Net Sales Activity by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2024	Jan. 29, 2023	Jan. 30, 2022
Revenue from External Customer [Line Items]
Net sales	$ 868,758	$ 756,533	$ 740,858
Gross profit	$ 296,250	$ 478,558	$ 461,139
Net sales revenue | Customer Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%
Signal Integrity
Revenue from External Customer [Line Items]
Net sales	$ 177,033	$ 298,290	$ 286,259
Gross profit	$ 101,245	$ 208,510	$ 195,984
Signal Integrity | Net sales revenue | Customer Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	20.00%	39.00%	39.00%
Analog Mixed Signal and Wireless
Revenue from External Customer [Line Items]
Net sales	$ 260,264	$ 443,239	$ 454,599
Gross profit	$ 146,598	$ 274,515	$ 274,215
Analog Mixed Signal and Wireless | Net sales revenue | Customer Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	30.00%	59.00%	61.00%
IoT Systems
Revenue from External Customer [Line Items]
Net sales	$ 334,904	$ 9,811	$ 0
Gross profit	$ 134,277	$ 3,245	$ 0
IoT Systems | Net sales revenue | Customer Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	39.00%	1.00%	0.00%
IoT Connected Services
Revenue from External Customer [Line Items]
Net sales	$ 96,557	$ 5,193	$ 0
Gross profit	$ 47,228	$ 2,489	$ 0
IoT Connected Services | Net sales revenue | Customer Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	11.00%	1.00%	0.00%
Unallocated costs, including share-based compensation, amortization of acquired technology and acquired technology impairments
Revenue from External Customer [Line Items]
Gross profit	$ (133,098)	$ (10,201)	$ (9,060)

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