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Other (expense), net
 9 Months Ended
Sep. 30, 2022
Other Income and Expenses [Abstract]  
Other (expense), net Other (expense), net
Other (expense), net is comprised of the following:
Three Months Ended
September 30,		Nine Months Ended
September 30,
2022202120222021
Postretirement expense*$(10.9)$(12.2)$(32.5)$(405.0)
Foreign exchange losses**(5.9)(2.1)(6.3)(3.0)
Environmental costs and other, net(6.5)(9.9)(27.4)(26.6)
Total other (expense), net$(23.3)$(24.2)$(66.2)$(434.6)
*Includes $368.7 million in the nine months ended September 30, 2021 of settlement losses related to defined benefit pension plans. See Note 5.
**Includes net foreign losses of $1.9 million and $1.3 million, respectively, in the three months ended September 30, 2022 and 2021, related to substantial completion of liquidation of foreign subsidiaries. Includes net foreign currency losses of $4.8 million and $2.9 million, respectively, in the nine months ended September 30, 2022 and 2021, related to substantial completion of liquidation of foreign subsidiaries.