Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Dec. 25, 2016
Commitments and Contingencies Disclosure [Abstract]      
Minimum length of remaining non-cancelable terms, high end of range (less than one year) 1 year    
Maximum length of remaining non-cancelable terms, low end of range (more than 15 years) 15 years    
Rental expense related to land, building, and equipment leases      
Minimum rent $ 78,259 $ 77,778 $ 73,605
Contingent rent 1,299 1,604 1,676
Equipment rent under operating leases 1,122 1,024 1,052
Rental expense 80,680 80,406 $ 76,333
Capital Leases      
2019 1,234    
2020 1,242    
2021 1,240    
2022 1,063    
2023 1,019    
Thereafter 7,552    
Total 13,350    
Less amount representing interest (3,150)    
Present value of future minimum lease payments 10,200    
Less current portion (786)    
Long-term capital lease obligations 9,414    
Operating Leases      
2019 80,367    
2020 76,936    
2021 70,419    
2022 61,649    
2023 54,121    
Thereafter 206,879    
Total 550,371    
Assets under capital lease included in property and equipment      
Assets under capital lease 30,400 29,900  
Accumulated depreciation $ 14,300 $ 12,300