Pension Benefits - Net Periodic Pension Cost, AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Components of net periodic pension cost
Service cost-benefits earned during the period	$ 2,191	$ 2,602	$ 6,679	$ 7,831
Interest cost on projected benefit obligation	1,364	1,207	4,100	3,640
Expected return on plan assets	(3,236)	(2,728)	(9,709)	(8,212)
Amortization of unrecognized loss	27	403	81	1,248
Net periodic pension cost	346	$ 1,484	1,151	$ 4,507
Contributions made for the remainder	$ 2,500		$ 2,500