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Noncontrolling Interests (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 27, 2015
Dec. 26, 2015
Dec. 27, 2014
Changes in the liability and temporary equity attributable to redeemable NCIs      
Balance at the beginning of the period $ 4,554 $ 4,554  
Net income     $ 100
Other comprehensive income   58  
Purchase of noncontrolling interest   $ (4,612)  
Pause Cafe Estrie Inc. | Redeemable Noncontrolling Interest      
Noncontrolling Interests      
Purchase of noncontrolling interest holder's shares $ 4,600