Equity-Based Compensation - Summary of SARs Activity (Detail) (Stock Appreciation Rights (SARs) [Member], USD $)	3 Months Ended
	Apr. 04, 2015
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Outstanding at beginning of year	1,292,142
Shares, Granted	2,437
Shares, Exercised	(32,159)
Shares, Forfeited	(3,569)
Shares, Outstanding at end of period	1,258,851
Shares, Exercisable at end of period	556,517
Weighted-Average Exercise Price, Outstanding at beginning of year	$ 42.20
Weighted-Average Exercise Price, Granted	$ 85.82
Weighted-Average Exercise Price, Exercised	$ 34.34
Weighted-Average Exercise Price, Forfeited	$ 50.62
Weighted-Average Exercise Price, Outstanding at end of period	$ 42.46
Weighted-Average Exercise Price, Exercisable at end of period	$ 32.99
Intrinsic value of exercised SARs	$ 1,688,000
Weighted-average remaining contractual term, Outstanding	6 years 9 months 18 days
Weighted-average remaining contractual term, Exercisable	5 years 9 months 18 days
Aggregate intrinsic value, Outstanding	55,600,000
Aggregate intrinsic value, Exercisable	$ 29,900,000