Share-Based Compensation - Summary of Stock Option Activity (Detail) (Stock Option [Member], USD $)	9 Months Ended
	Sep. 28, 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	(371,775)
Shares, Expired	(20,145)
Shares, Outstanding at end of period	1,139,924
Shares, Exercisable at end of period	1,139,924
Weighted-Average Exercise Price, Outstanding at beginning of year	$ 41.69
Weighted-Average Exercise Price, Exercised	$ 37.74
Weighted-Average Exercise Price, Expired	$ 47.37
Weighted-Average Exercise Price, Outstanding at end of period	$ 42.88
Weighted-Average Exercise Price, Exercisable at end of period	$ 42.88
Intrinsic value of exercised options and SARs	$ 2,909,000