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v3.22.2.2

Other (expense), net - Summary (Details) - USD ($) $ in Millions |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 14, 2021 | Jan. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Intercompany Foreign Currency Balance [Line Items] |  |  |  |  |  |
Postretirement expense |  |  |  | $ (548.6) | $ (235.9) | $ (93.3)
Debt extinguishment charge |  |  |  | 0.0 | (28.5) | (20.1)
Foreign exchange losses |  |  |  | (2.5) | (36.2) | (10.4)
Environmental costs and other, net |  |  |  | (29.2) | (29.0) | (12.6)
Total other (expense), net |  |  |  | (580.3) | (329.6) | (136.4)
Settlement loss | $ (130.1) |  |  |  |  |
Foreign exchange losses |  |  |  | 22.8 | 70.0 |
Foreign currency losses related to exiting foreign countries |  |  |  |  |  |
Intercompany Foreign Currency Balance [Line Items] |  |  |  |  |  |
Foreign exchange losses |  |  |  | 4.0 | 32.3 |
Pension Plans |  |  |  |  |  |
Intercompany Foreign Currency Balance [Line Items] |  |  |  |  |  |
Settlement loss |  |  |  | (499.4) |  |
Pension Plans | United States |  |  |  |  |  |
Intercompany Foreign Currency Balance [Line Items] |  |  |  |  |  |
Settlement loss |  | $ (158.0) | $ (142.1) | $ (288.1) | $ (142.1) | $ 0.0

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