Goodwill and Intangible Assets, Net (Identifiable Intangible Asset Balances) (Details) - USD ($) $ in Thousands	Apr. 05, 2020	Dec. 29, 2019
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Net amortizable intangible assets	$ 1,129,704	$ 1,212,702
Intangible assets, net	1,200,288	1,283,286
Patents [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	30,821	30,831
Less: Accumulated amortization	(27,776)	(27,423)
Net amortizable intangible assets	3,045	3,408
Trade Names And Trademarks [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	85,627	87,997
Less: Accumulated amortization	(41,376)	(40,295)
Net amortizable intangible assets	44,251	47,702
Trade names and trademarks	70,584	70,584
Licensing Agreements [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	58,259	58,496
Less: Accumulated amortization	(50,417)	(49,733)
Net amortizable intangible assets	7,842	8,763
Core Technology [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	663,964	689,089
Less: Accumulated amortization	(327,039)	(320,926)
Net amortizable intangible assets	336,925	368,163
Customer Relationships [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	1,136,931	1,161,526
Less: Accumulated amortization	(400,656)	(378,188)
Net amortizable intangible assets	736,275	783,338
In-process Research and Development [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	$ 1,366	$ 1,328