Summary of Significant Accounting Policies - Fair Value Assets Measured on a Nonrecurring Basis (Details) - Business Acquisition, Acquiree [Domain] - Segment [Domain] - USD ($) $ in Thousands	Jun. 27, 2015	Dec. 27, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 48,751	$ 48,751
Finite-Lived Intangible Assets, Gross	27,000	31,500
Finite-Lived Intangible Assets, Net	$ 17,401	$ 19,146