Summary of Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019
Cash paid for amounts included in lease liabilities:
Operating cash flows from finance leases	$ 218	$ 294
Operating cash flows from operating leases	3,993	4,264
Financing cash flows from finance leases	680	283
Supplemental non-cash information:
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 2,164	$ 5,471