Pension and Postretirement Benefit Obligations - Components of Net Periodic Postretirement Benefit Cost (Details) - Postretirement Benefits - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 310	$ 294	$ 620	$ 588
Interest cost	781	697	1,562	1,395
Recognized net actuarial loss	26	0	52	0
Net periodic postretirement benefit cost	$ 1,117	$ 991	$ 2,234	$ 1,983

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 10 percent of greater of fair value of plan assets or benefit obligation.

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-Topic 715
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

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

+ References

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