Pension and Postretirement Benefit Obligations - Components of Net Periodic Postretirement Benefit Cost (Details) - Postretirement Benefits - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Sep. 30, 2022	Oct. 01, 2021
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 383	$ 403	$ 1,150	$ 1,209
Interest cost	474	447	1,423	1,342
Recognized net actuarial loss	92	186	275	557
Net periodic pension/postretirement benefit cost	$ 949	$ 1,036	$ 2,848	$ 3,108