Goodwill and Other Intangibles - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014	Dec. 31, 2014
Goodwill [Line Items]
Amortization of intangible assets	$ 58,499	$ 2,597	$ 189,788	$ 7,936
Goodwill acquired					$ 2,335,000
Goodwill	2,488,501		2,488,501		$ 2,489,510
Hart Systems, LLC
Goodwill [Line Items]
Goodwill	$ 58,600		$ 58,600
Minimum [Member]
Goodwill [Line Items]
Estimated useful life of Intangible Assets					1 year
Maximum [Member]
Goodwill [Line Items]
Estimated useful life of Intangible Assets					8 years
Patents and Other Intellectual Property [Member]
Goodwill [Line Items]
Acquired intangible assets					$ 994,400