Share-Based Compensation - Summary of Stock Option Activity (Detail) (Stock Option [Member], USD $)	6 Months Ended
	Jun. 29, 2013
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Outstanding at beginning of year	1,531,844
Shares, Exercised	(309,393)
Shares, Expired	(11,998)
Shares, Outstanding at end of period	1,210,453
Shares, Exercisable at end of period	1,210,453
Weighted-Average Exercise Price, Outstanding at beginning of year	$ 41.69
Weighted-Average Exercise Price, Exercised	$ 37.53
Weighted-Average Exercise Price, Expired	$ 47.69
Weighted-Average Exercise Price, Outstanding at end of period	$ 42.69
Weighted-Average Exercise Price, Exercisable at end of period	$ 42.69
Intrinsic value of exercised options and SARs	$ 2,355,000