Earnings Per Share - Computation of Earnings Per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Weighted average shares:
Weighted average common shares outstanding	50,402	50,980
Effect of dilutive securities outstanding	572	386
Diluted weighted average shares outstanding	50,974	51,366
Basic per share amounts:
Net income	$ 41,606	$ 23,542
Weighted average common shares outstanding	50,402	50,980
Per share amount	$ 0.83	$ 0.46
Diluted per share amounts:
Net income	$ 41,606	$ 23,542
Diluted weighted average shares outstanding	50,974	51,366
Per share amount	$ 0.82	$ 0.46