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Postretirement Benefits | 12 Months Ended
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Dec. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] |
Postretirement Benefits | Postretirement Benefits Defined Contribution Plan and Other Pension/Postretirement Benefit Plans. The Company has defined contribution plans and makes contributions including matching and annual discretionary contributions which are based on various percentages of compensation and in some instances, are based on the amount of the employees' contributions to the plans. The expense related to the defined contribution plans was $47.0 million in 2023, $58.0 million in 2022 and $47.1 million in 2021. The Company also maintains a nonqualified pension plan and an other postretirement benefit plan. The funded status of the nonqualified pension plan includes projected and accumulated benefit obligations of $17.0 million and $18.6 million as of December 31, 2023 and 2022, respectively. The other postretirement plan is frozen. The funded status of the other postretirement benefit plan includes projected and accumulated benefit obligations of $19.9 million and $21.1 million as of December 31, 2023 and 2022, respectively. The Company's foreign pension and other postretirement plans are not significant, individually or in the aggregate. The projected benefit obligation, net of plan assets for the Company's foreign pension plans, was $15.1 million and $11.5 million as of December 31, 2023 and 2022, respectively. Activity impacting the Consolidated Statements of Operations and Consolidated Statements of Cash Flows related to these plans was immaterial in 2023, 2022, and 2021.

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