Pension Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jul. 03, 2022	Jul. 02, 2023	Jul. 03, 2022
Net periodic benefit cost:
Interest cost	$ 1,954	$ 1,384	$ 3,908	$ 2,768
Expected return on plan assets	(2,402)	(3,060)	(4,804)	(6,119)
Amortization of net actuarial loss	234	229	468	458
Administrative fees	650	300	1,300	600
Total net periodic expense (benefit)	$ 436	$ (1,147)	$ 872	$ (2,293)
Weighted-Average Assumptions Used To Determine Net Cost
Discount rate	4.95%	2.60%	4.95%	2.60%
Expected return on plan assets	5.75%	5.75%	5.75%	5.75%
Change in fair value of plan assets:
Employer contributions	$ 0	$ 0	$ 0	$ 0