Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Carrying Value and Estimated Fair Value of Liabilities (Details)

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Fair Value Measurements - Summary of Carrying Value and Estimated Fair Value of Liabilities (Details) - USD ($)
$ in Thousands
Oct. 01, 2017
Dec. 25, 2016
Carrying value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Credit facility $ 275,900 $ 335,500
Capital lease obligations 10,973 11,463
Total 286,873 346,963
Estimated Fair Value | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Credit facility 275,821 335,611
Capital lease obligations 11,787 12,917
Total $ 287,608 $ 348,528