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Stock-based and Deferred Compensation Plans (PSU - Text) (Details) - Performance shares [Member]
12 Months Ended
Dec. 27, 2015
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 4 years
Share-based compensation arrangement by share-based payment award, number of shares that would be issued on vesting of stock units 1
Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage 0.00%
Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage 200.00%