Pension and Postretirement Benefit Obligations - Components of Net Periodic Postretirement Benefit Cost (Details) - Postretirement Benefits - USD ($) $ in Thousands	3 Months Ended
Apr. 01, 2022	Apr. 02, 2021
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 383	$ 403
Interest cost	474	447
Recognized net actuarial loss	92	186
Net periodic pension/postretirement benefit cost	$ 949	$ 1,036

Amount of gain (loss), recognized immediately as component of net periodic benefit (cost) credit, for change in value of benefit obligation or plan assets from experience different from that assumed, change in actuarial assumption, or consequence of temporarily deviating from substantive plan. Includes, but is not limited to, amount in excess of ten percent of greater of fair value of plan assets or benefit obligation.

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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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