Goodwill and Intangible Assets-Intangibles (Details 2) - USD ($)	12 Months Ended
	Jan. 03, 2016	Apr. 03, 2016
Intangible Assets
Total intangible assets, gross	$ 741,660,000	$ 688,660,000
Accumulated amortization	(383,934,000)	(422,016,000)
Impairment of acquisition-related intangible assets	(61,000,000)
Total intangible assets, net	296,726,000	266,644,000
Acquired in-process research and development [Member]
Intangible Assets
Indefinite-lived Intangible Assets Acquired	61,000,000
Impairment of acquisition-related intangible assets	(61,000,000)
Net carrying amount, indefinite-lived intangible assets	0
Developed product technology [Member]
Intangible Assets
Finite-Lived Intangible Assets, Gross	451,560,000	451,560,000
Accumulated amortization	(203,514,000)	(231,790,000)
Total intangible assets subject to amortization	248,046,000	219,770,000
Customer relationships [Member]
Intangible Assets
Finite-Lived Intangible Assets, Gross	64,600,000	64,600,000
Accumulated amortization	(61,434,000)	(64,600,000)
Total intangible assets subject to amortization	3,166,000	0
Trademarks [Member]
Intangible Assets
Finite-Lived Intangible Assets, Gross	62,500,000	62,500,000
Accumulated amortization	(20,319,000)	(23,551,000)
Total intangible assets subject to amortization	42,181,000	38,949,000
Technology licenses and patents [Member]
Intangible Assets
Finite-Lived Intangible Assets, Gross	102,000,000	110,000,000
Accumulated amortization	(98,667,000)	(102,075,000)
Total intangible assets subject to amortization	3,333,000	7,925,000
Acquisition-related Intangible Assets [Member]
Intangible Assets
Finite-Lived Intangible Assets, Gross	578,660,000	578,660,000
Accumulated amortization	(285,267,000)	(319,941,000)
Total intangible assets subject to amortization	293,393,000	$ 258,719,000
Intangible assets subject to amortization [Member]
Intangible Assets
Finite-Lived Intangible Assets, Gross	680,660,000
Accumulated amortization	(383,934,000)
Total intangible assets subject to amortization	$ 296,726,000