Other (expense), net (Tables)

12 Months Ended

Dec. 31, 2022

Other Income and Expenses [Abstract]

Schedule of Other (Expense) Net

Other (expense), net is comprised of the following:

Year ended December 31,	2022		2021		2020
Postretirement expense*	$	(43.2)	$	(548.6)	$	(235.9)
Foreign exchange losses**	(6.8)		(2.5)		(36.2)
Debt extinguishment charge	—		—		(28.5)
Environmental costs and other, net***	(32.4)		(29.2)		(29.0)
Total other (expense), net	$	(82.4)	$	(580.3)	$	(329.6)

*Includes $499.4 million of settlement losses in 2021 related to the company’s defined benefit pension plans and $142.1 million settlement loss in 2020 related to the U.S. defined benefit pension plans. See Note 18, “Employee plans.”

**Includes charges of $2.9 million, $4.0 million and $32.3 million respectively, in 2022, 2021 and 2020 for net foreign currency losses related to substantial completion of liquidation of foreign subsidiaries.

***Environmental costs relates to a previously disposed business.