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Basis of Presentation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 24, 2016
Sep. 30, 2017
Sep. 24, 2016
Dec. 31, 2016
Dec. 26, 2015
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Restricted cash combined with unrestricted cash $ 126,153 $ 108,119 $ 126,153 $ 108,119 $ 119,894 $ 119,963
Reclassification of net cash provided by operating activities     193,838 198,252    
Cash reclassified from investing activities     39,759 617,669    
Impact to income statement from recognition of excess tax benefits and tax deficiencies $ 900   9,700      
Reclassification of net cash provided by financing activities     $ 155,466 (404,682)    
Accounting Standards Update 2016-09            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Reclassification of net cash provided by operating activities       9,500    
Reclassification of net cash provided by financing activities   9,100        
New Accounting Pronouncement, Early Adoption, Effect | Accounting Standards Update 2016-18            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Restricted cash combined with unrestricted cash   $ 2,400   2,400   $ 2,000
New Accounting Pronouncement, Early Adoption, Effect | Accounting Standards Update 2016-15            
New Accounting Pronouncements or Change in Accounting Principle [Line Items]            
Reclassification of net cash provided by operating activities       2,200    
Cash reclassified from investing activities       $ 2,200