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Property, Equipment and Improvements, Net (Details) - USD ($)
$ in Thousands
Mar. 30, 2018
Sep. 29, 2017
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross $ 1,189,139 $ 979,714
Accumulated depreciation and amortization (684,727) (629,803)
Property, equipment and improvements, net 504,412 349,911
Land    
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross 20,341 17,197
Buildings    
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross 131,314 93,313
Equipment    
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross 749,109 627,609
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross 268,947 220,295
Construction in progress    
Property, Plant and Equipment [Line Items]    
Property, equipment and improvements, gross $ 19,428 $ 21,300