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Stock-based and Deferred Compensation Plans (Restricted Stock Activity) (Details) - Restricted stock and restricted stock units [Member]
shares in Thousands
12 Months Ended
Dec. 27, 2015
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]  
Outstanding at December 28, 2014 (shares) | shares 946
Granted (shares) | shares 606
Vested (shares) | shares (271)
Forfeited (shares) | shares (136)
Outstanding at December 27, 2015 (shares) | shares 1,145
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, weighted average grant date fair value [Roll Forward]  
Outstanding at December 28, 2014 (per share) | $ / shares $ 20.08
Granted (per share) | $ / shares 22.80
Vested (per share) | $ / shares 19.68
Forfeited (per share) | $ / shares 21.44
Outstanding at December 27, 2015 (per share) | $ / shares $ 21.48
Director [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 3 years
Employee [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 4 years