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Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2018
Dec. 31, 2017
Dec. 25, 2016
Leases [Abstract]      
Rent expense, net of sublease income $ 65,181 $ 63,615 $ 52,585
Future minimum rentals, net of minimum sublease income for five years and thereafter [Abstract]      
2019 47,131    
2020 31,414    
2021 22,807    
2022 15,876    
2023 12,524    
Thereafter $ 27,077