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Goodwill and Intangible Assets - Goodwill by Reporting Unit (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 25, 2026	Jan. 26, 2025	Jan. 28, 2024
Goodwill [Roll Forward]
Beginning balance	$ 533,091
Addition from acquisition	7,967
Cumulative translation adjustment	1,652
Impairment	(84,785)	$ (7,490)	$ (755,621)
Ending balance	457,925	533,091
Signal Integrity | Operating Segments
Goodwill [Roll Forward]
Beginning balance	267,205
Addition from acquisition	0
Cumulative translation adjustment	0
Impairment	0
Ending balance	267,205	267,205
Analog Mixed Signal and Wireless | Operating Segments
Goodwill [Roll Forward]
Beginning balance	83,101
Addition from acquisition	7,967
Cumulative translation adjustment	0
Impairment	0
Ending balance	91,068	83,101
IoT Systems and Connectivity | Operating Segments
Goodwill [Roll Forward]
Beginning balance	182,785
Addition from acquisition	0
Cumulative translation adjustment	1,652
Impairment	(84,785)
Ending balance	$ 99,652	$ 182,785

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