Derivative Financial Instruments - Location of Amount of Gain or (Loss) Recognized in Income on Cash Flow Hedges (Details) - Interest, net of capitalized interest - Interest rate cap - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 25, 2019	Jun. 26, 2018	Jun. 25, 2019	Jun. 26, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated other comprehensive income (loss) into income	$ 0	$ 0	$ 0	$ 0
Amount excluded from effectiveness testing using an amortization approach	121	0	243	0
Amount of gain or (loss) reclassified from accumulated other comprehensive income (loss) into income as a result that a forecasted transaction is no longer probable of occurring	$ 0	$ 0	$ 0	$ 0