Leases (Disclosure of cash flow information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Cash paid (received) for amounts included in measurement of lease liabilities:
Operating cash flows from operating leases	$ 3,528	$ 2,963	$ 6,933	$ 6,045
Operating cash flows from finance leases	2,581	1,052	5,002	1,825
Cash paid under finance leases	8,927	5,175	18,296	7,569
Cash received under finance leases	(639)	(14,554)	(6,046)	(33,277)
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases	11,436	317	11,662	716
Finance Leases	2,962	2,746	2,962	17,426
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	$ 0	$ (1,949)