Pension and Other Postretirement Benefits - Other Postretirement Benefits (Details) - Other Postretirement Benefit Plan - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 27, 2022
Pension Benefits
Service cost	$ 8	$ 12
Interest cost	375	183
Amortization of actuarial loss	486	823
Amortization of prior service credit	0	(236)
Net periodic pension (income)/cost or postretirement benefit cost	$ 869	$ 782

Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

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Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.

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Amount of cost recognized for passage of time related to defined benefit plan.

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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