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v3.23.1

Compensation Related Costs, Postemployment Benefits (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Defined Contribution Plan Disclosure [Line Items] |  |  |
Service cost | $ 1.2 | $ 2.2 |
Interest cost | 5.4 | 4.4 |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 5.4 | 7.8 |
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) | 0.3 | 0.2 |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | 0.9 | (1.4) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 2.4 |  |
WESCODeferredCompensationPlanMember |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Deferred Compensation Liability, Classified, Noncurrent | 24.7 |  | $ 20.3
Pension Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Other Nonoperating Gains (Losses) | (0.3) | (3.6) |
UNITED STATES |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Service cost | 0.0 | 0.0 |
Interest cost | 2.6 | 2.1 |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 2.4 | 3.5 |
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) | 0.0 | 0.0 |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | 0.2 | (1.4) |
Foreign Plan |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Service cost | 1.2 | 2.2 |
Interest cost | 2.8 | 2.3 |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 3.0 | 4.3 |
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) | 0.3 | 0.2 |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | $ 0.7 | $ 0.0 |

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