Equity-Based Compensation (Schedule Of Stock Option Activity) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended	12 Months Ended
	Jul. 04, 2015	Jan. 03, 2015
Equity-Based Compensation [Abstract]
Shares, Outstanding	1,555
Shares, Granted	130
Shares, Exercised	(250)
Shares, Forfeited	(18)
Shares, Outstanding	1,417	1,555
Shares, Exercisable	58
Weighted-average grant price, Outstanding	$ 49.20
Weighted-average grant price, Granted	105.27
Weighted-average grant price, Exercised	37.26
Weighted-average grant price, Forfeited	43.83
Weighted-average grant price, Outstanding	56.52	$ 49.20
Weighted-average grant price, Exercisable	$ 39.33
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	2 years 9 months 18 days	2 years 10 months 24 days
Weighted-average remaining contractual term, Exercisable	1 year 10 months 24 days
Aggregate intrinsic value, Outstanding	$ 82,564
Aggregate intrinsic value, Outstanding	120,766	$ 82,564
Aggregate intrinsic value, Exercisable	$ 5,902