Computation of Basic and Diluted Net Income Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2016	Jul. 05, 2015	Jul. 03, 2016	Jul. 05, 2015
Net Income Loss Per Common Share
Net (loss) income for basic and diluted net income per share	$ (223,546)	$ 102,879	$ (173,560)	$ 135,666
Weighted average common shares-basic	203,018	213,845	203,645	215,516
Employee stock purchase plan		70		49
Dilutive potential common shares		1,651		1,638
Weighted average common shares-diluted	203,018	215,496	203,645	217,154
Net (loss) income per common share-basic	$ (1.10)	$ 0.48	$ (0.85)	$ 0.63
Net (loss) income per common share-diluted	$ (1.10)	$ 0.48	$ (0.85)	$ 0.62
Restricted Stock Units
Net Income Loss Per Common Share
Incremental shares attributable to share based payment arrangements		978		940
Stock Options
Net Income Loss Per Common Share
Incremental shares attributable to share based payment arrangements		603		649