Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Oct. 04, 2020	Dec. 29, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 99,815	$ 107,044
Current portion of operating lease liabilities	14,015	15,914
Operating lease liabilities	87,276	91,829
Total operating lease liabilities	101,291	107,743
Property and equipment	5,786	5,007
Accrued expenses	1,415	1,489
Other long-term liabilities	2,299	1,673
Total finance lease liabilities	$ 3,714	$ 3,162