Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Mar. 24, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 258,573	$ 258,278
Current portion of operating lease liabilities	21,107	17,848
Operating lease liabilities, excluding current portion	261,781	257,361
Total operating lease liabilities	282,888	275,209
Buildings under finance leases	495	871
Accumulated depreciation	(227)	(334)
Finance lease assets, net	268	537
Current portion of finance lease obligations and other debt	153	162
Long-term debt, finance lease obligations and other debt, excluding current portion, net	140	412
Total finance lease obligations	$ 293	$ 574