Pension and Postretirement Benefit Obligations - Summary of Components of Total Pension Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022
Defined Benefit Plan Disclosure [Line Items]
Pension plan settlement expense	$ 39,777	$ 0	$ 39,777	$ 0
Total pension expense	42,448	3,472	45,118	6,945
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,100	1,861	2,199	3,721
Interest cost	3,508	2,659	7,016	5,318
Expected return on plan assets	(2,914)	(2,036)	(5,828)	(4,071)
Recognized net actuarial loss	973	988	1,946	1,977
Amortization of prior service cost	4	0	8	0
Net periodic postretirement benefit cost	$ 2,671	$ 3,472	$ 5,341	$ 6,945