Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 04, 2015	Sep. 28, 2014	Oct. 04, 2015	Sep. 28, 2014
Goodwill and Intangible Assets Disclosure [Line Items]
Fully amortized intangible assets wrote off			$ 98,200
Acquired intangible assets amortization	$ 20,053	$ 18,271	$ 49,119	$ 54,813