Employee Benefit Plans - Schedule of Net Pension and Postretirement Benefit Costs (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 27, 2026 |
Jun. 28, 2025 |
Jun. 27, 2026 |
Jun. 28, 2025 |
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| Pension | ||||
| Defined Benefit Plans Disclosure [Line Items] | ||||
| Service cost | $ 903 | $ 1,188 | $ 1,810 | $ 2,358 |
| Interest cost | 6,144 | 6,911 | 12,306 | 13,740 |
| Expected return on plan assets | (7,308) | (7,701) | (14,544) | (15,273) |
| Amortization of prior service cost (credit) | 107 | 108 | 216 | 211 |
| Amortization of (gain) loss | 2 | 57 | 2 | 114 |
| Net periodic benefit cost | (152) | 563 | (210) | 1,150 |
| Postretirement | ||||
| Defined Benefit Plans Disclosure [Line Items] | ||||
| Service cost | 98 | 111 | 198 | 221 |
| Interest cost | 222 | 239 | 445 | 476 |
| Expected return on plan assets | 0 | 0 | 0 | 0 |
| Amortization of prior service cost (credit) | (56) | (43) | (113) | (86) |
| Amortization of (gain) loss | (233) | (244) | (467) | (487) |
| Net periodic benefit cost | $ 31 | $ 63 | $ 63 | $ 124 |
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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