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Employee Benefit Plans (Tables) | 6 Months Ended
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Jun. 29, 2025
Retirement Benefits [Abstract] |
Schedule of Components of Net Periodic Benefit Cost/(Income) | The components of net periodic benefit cost/(income) include the following:
|  | Three Months Ended |  | Six Months Ended
|  | June 29, 2025 |  | June 30, 2024 |  | June 29, 2025 |  | June 30, 2024
Retirement Plans |  |  |  |  |  |  |  |
Service cost |  | $ | 1,366 |  |  | $ | 535 |  |  | $ | 2,562 |  |  | $ | 1,290 |
Interest cost |  | 5,448 |  |  | 5,126 |  |  | 10,581 |  |  | 9,835 |
Expected return on plan assets |  | (3,420) |  |  | (2,776) |  |  | (6,625) |  |  | (5,572) |
Amortization of prior service cost |  | 209 |  |  | 235 |  |  | 397 |  |  | 440 |
Amortization of net actuarial loss |  | 899 |  |  | 1,169 |  |  | 1,887 |  |  | 2,244 |
Effect of settlement loss |  | — |  |  | 511 |  |  | — |  |  | 511 |
Net periodic benefit cost |  | $ | 4,502 |  |  | $ | 4,800 |  |  | $ | 8,802 |  |  | $ | 8,748 |
Retiree Health and Life Insurance Plans |  |  |  |
Service cost |  | $ | 27 |  |  | $ | 34 |  |  | $ | 66 |  |  | $ | 88 |
Interest cost |  | 216 |  |  | 207 |  |  | 453 |  |  | 457 |
Expected return on plan assets |  | (104) |  |  | (97) |  |  | (204) |  |  | (195) |
Amortization of prior service cost |  | 91 |  |  | 96 |  |  | 185 |  |  | 192 |
Amortization of net actuarial gain |  | (357) |  |  | (301) |  |  | (571) |  |  | (447) |
Net periodic benefit (income)/cost |  | $ | (127) |  |  | $ | (61) |  |  | $ | (71) |  |  | $ | 95 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (q) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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