Share-Based Compensation - Summary of Stock Option Activity (Detail) (Stock Option [Member], USD $)	6 Months Ended
	Jun. 28, 2014
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Outstanding at beginning of year	955,777
Shares, Exercised	(263,659)
Shares, Outstanding at end of period	692,118
Shares, Exercisable at end of period	692,118
Weighted-Average Exercise Price, Outstanding at beginning of year	$ 42.78
Weighted-Average Exercise Price, Exercised	$ 45.38
Weighted-Average Exercise Price, Outstanding at end of year	$ 41.79
Weighted-Average Exercise Price, Exercisable at end of year	$ 41.79
Intrinsic value of exercised options	$ 6,308,000