Annual report pursuant to Section 13 and 15(d)

Fixed Assets (Details)

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Fixed Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 26, 2019
Dec. 27, 2018
Dec. 28, 2017
Property, Plant and Equipment [Line Items]      
Fixed assets, at cost $ 680,579 $ 480,049  
Less: accumulated depreciation and amortization 224,290 151,683  
Fixed assets, net 456,289 328,366  
Depreciation and amortization 69,856 50,478 $ 36,255
Furniture, fixtures and equipment      
Property, Plant and Equipment [Line Items]      
Fixed assets, at cost 236,555 174,663  
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Fixed assets, at cost 321,334 216,461  
Computer software and hardware      
Property, Plant and Equipment [Line Items]      
Fixed assets, at cost 113,975 83,628  
Land [Member]      
Property, Plant and Equipment [Line Items]      
Fixed assets, at cost $ 8,715 $ 5,297