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Acquisitions (Franchised Restaurants - Text) (Details)
$ in Thousands
Mar. 01, 2014
USD ($)
Acquirees
restaurant
Dec. 27, 2015
USD ($)
Dec. 28, 2014
USD ($)
Dec. 31, 2013
USD ($)
Business acquisition [Line Items]        
Goodwill   $ 300,861 $ 341,540 $ 352,118
Bonefish Grill [Member]        
Business acquisition [Line Items]        
Franchises purchased during period | restaurant 2      
Bonefish Grill [Member] | Franchised units [Member]        
Business acquisition [Line Items]        
Business combination, number of acquirees | Acquirees 1      
Business combination, consideration transferred $ 3,200      
Goodwill 2,500      
Business acquisition, goodwill, expected tax deductible amount $ 2,500