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Related Party Transactions (Details) - Roark Capital Management [Member] - Majority Shareholder [Member] - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 27, 2015
Jun. 27, 2015
Jun. 28, 2014
Jun. 27, 2015
Jun. 28, 2014
Related Party Transaction [Line Items]          
Loss on contract termination $ 3,300        
Related party transaction, expenses from transactions with related party   $ 3,400 $ 113 $ 3,500 $ 227