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Postretirement and Other Benefits - PBO and ABO in Excess of Fair Value of Plan Assets (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Pension Benefits | United States |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
PBO | $ 339.6 | $ 118.4 |
ABO | 335.8 | 118.4 |
Fair value of plan assets | 349.2 | 124.7 | $ 134.4
Pension Benefits | Non-U.S. |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
PBO | 210.6 |  |
ABO | 205.9 |  |
Fair value of plan assets | 174.2 | 216.2 |
Other Postretirement Benefits | United States |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
PBO | 25.0 |  |
ABO | 0.0 |  |
Fair value of plan assets | 0.0 | 0.0 |
Other Postretirement Benefits | Non-U.S. |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
PBO | 4.7 |  |
ABO | 0.0 |  |
Fair value of plan assets | 0.0 | 0.0 |
Pension Plan, Excluding Immaterial Plans | Non-U.S. |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
PBO |  | 228.3 |
ABO |  | 228.3 |
Fair value of plan assets | $ 143.3 | $ 210.6 | $ 0.8

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