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Lease Commitments (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 25, 2016
Dec. 27, 2015
Dec. 28, 2014
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2017 $ 20,037    
2018 17,907    
2019 15,589    
2020 14,308    
2021 11,835    
Thereafter 91,965    
Total minimum lease payments 171,641    
Operating Lease [Abstract]      
Operating lease rent expense $ 24,855 $ 22,425 $ 7,432
Operating lease minimum lease term (in years) 1 year    
Operating lease maximum lease term (in years) 10 years