Benefit Plans - Reconciliation of Benefit Obligation (Details) - Postretirement Benefits - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 29, 2019
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Beginning balance - projected benefit obligation	$ 67,665	$ 62,056
Service cost	1,516	1,454	$ 1,496
Interest cost	1,772	2,031	2,750
Plan participants’ contributions	930	753
Actuarial (gain) loss	(3,414)	4,555
Benefits paid	(3,313)	(3,184)
Ending balance - projected benefit obligation	$ 65,156	$ 67,665	$ 62,056