Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands		12 Months Ended
	Apr. 28, 2020	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Subject to amortization:
Weighted-Average Amortization Period (Years)		8 years
Gross Amount		$ 317,955	$ 272,800
Accumulated Amortization		(163,624)	(138,521)
Total Other Intangible Assets
Gross Amount		329,708	272,800
Removal of fully amortized intangible assets		19,600
Amortization expense related to intangible assets		44,700	39,500	$ 38,000
Estimated aggregate amortization expense for intangible assets subject to amortization
2021		44,358
2022		33,046
2023		24,324
2024		21,864
2025		12,200
Research and development
Total Other Intangible Assets
Amortization expense related to intangible assets		33,200	29,500	27,300
Selling, general and administrative
Total Other Intangible Assets
Amortization expense related to intangible assets		11,500	10,000	10,700
Cost of revenues
Total Other Intangible Assets
Amortization expense related to intangible assets		0	0	$ 0
In-process research and development
Not subject to amortization:
Not subject to amortization		11,753
Redpine Signals
Total Other Intangible Assets
Gross intangible assets acquired		$ 76,500
Developed technology
Subject to amortization:
Weighted-Average Amortization Period (Years)		8 years
Gross Amount		$ 261,939	219,695
Accumulated Amortization		$ (125,435)	(111,634)
Customer relationships
Subject to amortization:
Weighted-Average Amortization Period (Years)		5 years
Gross Amount		$ 43,245	40,795
Accumulated Amortization		$ (31,877)	(22,742)
Customer relationships | Redpine Signals
Subject to amortization:
Weighted-Average Amortization Period (Years)	2 years
Trademarks
Subject to amortization:
Weighted-Average Amortization Period (Years)		5 years
Gross Amount		$ 12,771	12,310
Accumulated Amortization		$ (6,312)	$ (4,145)
Trademarks | Redpine Signals
Subject to amortization:
Weighted-Average Amortization Period (Years)	2 years