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Goodwill and Intangible Assets (Estimated future amortization of intangible assets) (Details)
$ in Thousands
Mar. 26, 2016
USD ($)
Customer Lists, Trade Names, Franchise Agreements And Other [Member]  
Estimated future amortization of intangible assets  
2016 $ 3,941
2017 3,796
2018 3,495
2019 2,579
2020 1,860
Favorable Leases [Member]  
Estimated future amortization of intangible assets  
2016 1,320
2017 1,285
2018 1,247
2019 1,204
2020 $ 1,139