Leases, Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Cash Flow Information
Operating cash flows from operating leases	$ 2,963	$ 3,207	$ 6,045	$ 6,952
Operating cash flows from finance leases	1,052	898	1,825	1,425
Cash paid under finance leases	5,175	1,907	7,569	5,253
Cash received under finance leases	(14,554)	0	(33,277)	0
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases	317	16,275	716	17,289
Finance Leases	2,746	0	17,426	29,906
Operating Leases [Member]
Right-of-use assets obtained in exchange for lease liabilities:
Right-of-use assets and liabilities reduced through lease terminations or modifications.	0	0	(1,949)	0
Finance Leases [Member]
Right-of-use assets obtained in exchange for lease liabilities:
Right-of-use assets and liabilities reduced through lease terminations or modifications.	$ 0	$ 0	$ 0	$ (686)