Leases Schedule of Accounting Pronouncements (Details) - USD ($) $ in Thousands	Jun. 24, 2020	Dec. 25, 2019	Jun. 26, 2019
Leases [Abstract]
Prepaid Expense and Other Assets, Current	$ 2,622	$ 1,877
Property and equipment, net	(322,162)	(314,862)
Operating lease assets	298,602	274,426	$ 274,426
Long-term operating lease liabilities	332,751	304,914	$ 304,914
Other long-term liabilities	15,130	15,328
Retained earnings	37,196	54,367
Non-controlling interests	$ 29,707	$ 23,168