Other (expense), net (Tables)

12 Months Ended

Dec. 31, 2021

Other Income and Expenses [Abstract]

Schedule of Other (Expense) Net

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

Year ended December 31,	2021			2020			2019
Postretirement expense*	$	(548.6	)	$	(235.9	)	$	(93.3	)
Debt extinguishment charge		—			(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	)

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