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Employee Benefit Plans (Tables) | 9 Months Ended
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Oct. 01, 2023
Retirement Benefits [Abstract] |
Summary of Components of Net Periodic Benefit Cost/(Income) | The components of net periodic benefit cost/(income) include the following:
|  | Three Months Ended |  | Nine Months Ended
|  | October 1, 2023 |  | October 2, 2022 |  | October 1, 2023 |  | October 2, 2022
Retirement Plans |  |  |  |  |  |  |  |
Service cost |  | $ | 704 |  |  | $ | 796 |  |  | $ | 2,083 |  |  | $ | 2,459 |
Interest cost |  | 4,770 |  |  | 2,593 |  |  | 13,462 |  |  | 7,974 |
Expected return on plan assets |  | (2,515) |  |  | (2,527) |  |  | (7,257) |  |  | (7,670) |
Amortization of prior service cost |  | 223 |  |  | 220 |  |  | 669 |  |  | 673 |
Amortization of net actuarial loss |  | 1,074 |  |  | 1,179 |  |  | 3,221 |  |  | 3,495 |
Effect of settlement loss |  | 16 |  |  | — |  |  | 765 |  |  | 430 |
Net periodic benefit cost |  | $ | 4,272 |  |  | $ | 2,261 |  |  | $ | 12,943 |  |  | $ | 7,361 |
Retiree Health and Life Insurance Plans |  |  |  |
Service cost |  | $ | 57 |  |  | $ | 80 |  |  | $ | 172 |  |  | $ | 241 |
Interest cost |  | 127 |  |  | 64 |  |  | 383 |  |  | 194 |
Expected return on plan assets |  | (78) |  |  | (110) |  |  | (235) |  |  | (332) |
Amortization of net actuarial gain |  | (194) |  |  | (170) |  |  | (584) |  |  | (513) |
Net periodic benefit income |  | $ | (88) |  |  | $ | (136) |  |  | $ | (264) |  |  | $ | (410) |

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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://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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