Leases Supplemental Cash Flow Information Related To Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 4,238	$ 3,670	$ 8,373	$ 7,461
Operating cash flows from finance leases	2	4	5	9
Financing cash flows from finance leases	$ 32	$ 41	$ 75	$ 87