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RETIREMENT PLANS - Fair Value of Plan Assets (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Pension | U.S. Pension. |  |  |
Defined Benefit Plan Disclosure |  |  |
Total | $ 1,668.5 | $ 2,376.8 | $ 2,372.9
Pension | International Pension |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 859.8 | 1,153.9 |
Investments measured at NAV | 45.3 | 66.0 |
Total | 905.1 | 1,219.9 | $ 1,148.0
Pension | International Pension | Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 9.9 | 24.1 |
Total | 9.9 | 24.1 |
Pension | International Pension | Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 849.9 | 1,129.8 |
Total | 849.9 | 1,129.8 |
Pension | International Pension | Level 3 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total | 0.0 | 0.0 |
Pension | International Pension | Cash |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 9.9 | 7.2 |
Pension | International Pension | Cash | Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 9.9 | 7.2 |
Pension | International Pension | International equity |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 219.3 | 490.1 |
Pension | International Pension | International equity | Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 219.3 | 490.1 |
Pension | International Pension | Corporate bonds |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 158.5 | 229.7 |
Pension | International Pension | Corporate bonds | Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value |  | 9.7 |
Pension | International Pension | Corporate bonds | Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 158.5 | 220.0 |
Pension | International Pension | Government bonds |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 365.9 | 305.7 |
Pension | International Pension | Government bonds | Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value |  | 7.2 |
Pension | International Pension | Government bonds | Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 365.9 | 298.5 |
Pension | International Pension | Insurance contracts |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 106.2 | 121.2 |
Pension | International Pension | Insurance contracts | Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 106.2 | 121.2 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 1,237.8 | 1,794.7 |
Total | 1,671.7 | 2,382.0 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 523.6 | 1,099.7 |
Total | 523.6 | 1,099.7 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 714.2 | 695.0 |
Total | 714.2 | 695.0 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Level 3 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total | 0.0 | 0.0 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Cash |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 54.8 | 43.6 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Cash | Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 54.8 | 43.6 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Large cap equity |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 237.1 | 412.2 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Large cap equity | Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 237.1 | 412.2 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Small cap equity |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 40.5 | 62.0 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Small cap equity | Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 15.4 | 21.3 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Small cap equity | Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 25.1 | 40.7 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | International equity |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 54.6 | 90.9 |
Investments measured at NAV | 433.9 | 587.3 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | International equity | Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 37.4 | 62.9 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | International equity | Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 17.2 | 28.0 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Core fixed income |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 792.0 | 1,100.4 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Core fixed income | Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 145.5 | 510.7 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Core fixed income | Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 646.5 | 589.7 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | High-yield bonds |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 33.4 | 49.0 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | High-yield bonds | Level 1 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 33.4 | 49.0 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Emerging markets |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | 25.4 | 36.6 |
U.S. Pension and Postretirement Health Care Benefits | U.S. Pension. | Emerging markets | Level 2 |  |  |
Defined Benefit Plan Disclosure |  |  |
Total investments at fair value | $ 25.4 | $ 36.6 |

X
- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date, excluding assets measured at net asset value. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + References No definition available. + Details
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