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Goodwill and Other Intangible Assets (Amortization Expense) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of intangible assets $ 24,229 $ 25,957 $ 17,806
Estimated amortization expense for each of the next five fiscal years      
2016 26,835    
2017 26,678    
2018 24,434    
2019 21,617    
2020 $ 21,293