Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jul. 01, 2017	Dec. 31, 2016	Jun. 25, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Liability	$ 3,049	$ 2,817
Derivative Liability, Fair Value, Gross Liability			$ (2,540)
2016 Senior Credit Facility [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unsecured Debt	$ 455,000	$ 275,000	$ 197,500