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Goodwill and Intangible Assets - Goodwill by Reporting Unit (Details) - USD ($)	12 Months Ended
	Jan. 26, 2025	Jan. 28, 2024	Jan. 29, 2023
Goodwill [Roll Forward]
Beginning balance	$ 541,227,000
Cumulative translation adjustment	(646,000)
Impairment	(7,490,000)	$ (755,621,000)	$ 0
Ending balance	533,091,000	541,227,000
Analog Mixed Signal and Wireless | Operating Segments
Goodwill [Roll Forward]
Beginning balance	83,101,000
Cumulative translation adjustment	0
Impairment	0
Ending balance	83,101,000	83,101,000
Signal Integrity | Operating Segments
Goodwill [Roll Forward]
Beginning balance	267,205,000
Cumulative translation adjustment	0
Impairment	0
Ending balance	267,205,000	267,205,000
IoT Systems and Connectivity | Operating Segments
Goodwill [Roll Forward]
Beginning balance	190,921,000
Cumulative translation adjustment	(646,000)
Impairment	(7,490,000)
Ending balance	$ 182,785,000	190,921,000
IoT Connected Services
Goodwill [Roll Forward]
Impairment		$ (209,000,000)

X

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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