Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation (Schedule Of Stock-Settled Stock Appreciation Rights Activity) (Details)

v3.8.0.1
Equity-Based Compensation (Schedule Of Stock-Settled Stock Appreciation Rights Activity) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Equity Based Compensation [Abstract]    
Shares, Outstanding 3,391  
Shares, Exercised (884)  
Shares, Forfeited (181)  
Shares, Expired (36)  
Shares, Outstanding 2,290 3,391
Shares, Exercisable 420  
Weighted-average exercise price, Outstanding $ 54.69  
Weighted-average exercise price, Exercised 33.63  
Weighted-average exercise price, Forfeited 55.78  
Weighted-average exercise price, Expired 65.26  
Weighted-average exercise price, Outstanding 62.49 $ 54.69
Weighted-average exercise price, Exercisable $ 53.12  
Weighted-average remaining contractual term, Outstanding 2 years 7 months 6 days 3 years 1 month 6 days
Weighted-average remaining contractual term, Exercisable 2 years 1 month 6 days  
Aggregate intrinsic value, Outstanding $ 26,703 $ 36,169
Aggregate intrinsic value, Exercisable $ 8,782