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Property, Equipment and Improvements, Net (Details) - USD ($)
$ in Thousands
Dec. 29, 2017
Sep. 29, 2017
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross $ 1,231,854 $ 979,714
Accumulated depreciation and amortization (657,820) (629,803)
Property, equipment and improvements, net 574,034 349,911
Land    
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross 20,644 17,197
Buildings    
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross 137,336 93,313
Equipment    
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross 777,361 627,609
Leasehold Improvements    
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross 274,141 220,295
Construction in progress    
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross $ 22,372 $ 21,300