Earnings Per Share - Additional Information (Detail) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Earnings Per Share [Abstract]
Stock-based awards excluded from the computation of Diluted Earnings Per Share	3,251	2,677	3,184	2,161