Leases - Other Supplemental Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jul. 05, 2020	Jul. 04, 2021	Jul. 05, 2020
Statement of Financial Position [Abstract]
Operating cash flows from finance leases	$ 35	$ 16	$ 67	$ 34
Operating cash flows from operating leases	5,476	5,569	10,676	11,450
Financing cash flows from finance leases	589	411	1,116	810
Right-of-use assets obtained in exchange for new finance lease liabilities	1,471	340	2,744	553
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 3,267	$ 3,088	$ 5,645	$ 4,065