Leases Schedule of Accounting Pronouncements (Details) - USD ($) $ in Thousands	Mar. 25, 2020	Dec. 25, 2019	Mar. 27, 2019
Leases [Abstract]
Prepaid Expense and Other Assets, Current	$ 2,316	$ 1,877
Property and equipment, net	(329,039)	(314,862)
Operating lease assets	302,216	274,426	$ 274,426
Long-term operating lease liabilities	322,191	304,914	$ 304,914
Other long-term liabilities	15,424	15,328
Retained earnings	53,407	54,367
Non-controlling interests	$ 22,188	$ 23,168