Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation (Schedule Of Stock Option Activity) (Details)

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Equity-Based Compensation (Schedule Of Stock Option Activity) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Equity-Based Compensation [Abstract]    
Shares, Outstanding 3,808  
Shares, Granted 387  
Shares, Exercised (1,397)  
Shares, Cancelled (65)  
Shares, Expired (44)  
Shares, Outstanding 2,689 3,808
Shares, Exercisable 774  
Weighted-average grant price, Outstanding $ 32.12  
Weighted-average grant price, Granted $ 39.41  
Weighted-average grant price, Exercised $ 29.16  
Weighted-average grant price, Cancelled $ 29.95  
Weighted-average grant price, Expired $ 51.39  
Weighted-average grant price, Outstanding $ 34.43 $ 32.12
Weighted-average grant price, Exercisable $ 36.10  
Weighted-average remaining contractual term, Outstanding 2 years 10 months 24 days 2 years 10 months 24 days
Weighted-average remaining contractual term, Exercisable 2 years 4 months 24 days  
Aggregate intrinsic value, Outstanding $ 8,603 [1]  
Aggregate intrinsic value, Outstanding 5,136 [1] 8,603 [1]
Aggregate intrinsic value, Exercisable $ 1,275 [1]  
Closing price of common stock $ 31.60 $ 30.37
[1] Aggregate intrinsic value is defined as the difference between the current market value at the reporting date (the closing price of the Company's common stock on the last trading day of the period) and the exercise price of awards that were in-the-money. The closing price of the Company's common stock at December 31, 2011 and December 29, 2012, was $30.37 and $31.60, respectively.