Other (expense), net (Tables)

12 Months Ended

Dec. 31, 2020

Other Income and Expenses [Abstract]

Schedule of Other (Expense) Net

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

Year ended December 31,	2020		2019		2018
Postretirement expense*	$	(235.9)	$	(93.3)	$	(80.3)
Debt extinguishment charge	(28.5)		(20.1)		—
Foreign exchange losses**	(36.2)		(10.4)		(5.9)
Environmental costs and other, net	(29.0)		(12.6)		9.1
Total other expense, net	$	(329.6)	$	(136.4)	$	(77.1)

*Includes $142.1 million settlement charge in 2020 related to the U.S. defined benefit pension plans.

**Includes $32.3 million for foreign currency losses in 2020 related to substantial completion of liquidation of foreign subsidiaries.