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v3.23.2

Compensation Related Costs, Postemployment Benefits (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Service cost | $ 1.2 | $ 2.1 | $ 2.4 | $ 4.3 |
Interest cost | 3.5 | 4.4 | 8.9 | 8.8 |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 3.6 | 7.7 | 9.0 | 15.5 |
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) | 0.3 | 0.2 | 0.6 | 0.4 |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | 0.8 | (1.4) | 1.7 | (2.8) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 4.3 |  | 6.7 |  |
WESCODeferredCompensationPlanMember |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Deferred Compensation Liability, Classified, Noncurrent | 26.6 |  | 26.6 |  | $ 20.3
Pension Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Other Nonoperating Gains (Losses) | (0.5) | (3.5) | (0.7) | (7.1) |
UNITED STATES |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Service cost | 0.0 | 0.0 | 0.0 | 0.0 |
Interest cost | 0.6 | 2.1 | 3.2 | 4.2 |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 0.6 | 3.5 | 3.0 | 7.0 |
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) | 0.0 | 0.0 | 0.0 | 0.0 |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | 0.0 | (1.4) | 0.2 | (2.8) |
Foreign Plan |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Service cost | 1.2 | 2.1 | 2.4 | 4.3 |
Interest cost | 2.9 | 2.3 | 5.7 | 4.6 |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 3.0 | 4.2 | 6.0 | 8.5 |
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) | 0.3 | 0.2 | 0.6 | 0.4 |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | $ 0.8 | $ 0.0 | $ 1.5 | $ 0.0 |

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