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Stock-based and Deferred Compensation Plans (Other Benefit Plans) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 27, 2015
Dec. 28, 2014
Dec. 31, 2013
401(k) plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Defined contribution plan, employer contribution amount $ 3.7 $ 1.1 $ 2.1