Income Taxes - Deferred Tax Assets and Liabilities by Balance Sheet Location (Details) - USD ($) $ in Thousands	Dec. 27, 2020	Dec. 29, 2019
Income Tax Disclosure [Abstract]
Other assets	$ 137,633	$ 92,401
Other liabilities	(154,824)	(2,606)
Net deferred income taxes	$ (17,191)
Net deferred income taxes		$ 89,795