Pension and Other Postretirement Obligations (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2023	Apr. 03, 2022
Pension Obligations
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 690	$ 911
Interest cost	3,744	2,305
Expected return on plan assets	(4,109)	(3,963)
Amortization of prior service cost	43	47
Actuarial losses (gains)	(226)	236
Net periodic benefit cost (income)	142	(464)
Other Postretirement Obligations
Defined Benefit Plan Disclosure [Line Items]
Service cost	3	6
Interest cost	251	195
Expected return on plan assets	0	0
Amortization of prior service cost	0	0
Actuarial losses (gains)	(191)	(20)
Net periodic benefit cost (income)	$ 63	$ 181