Other (Income) Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Other Income and Expenses [Abstract]
Pension and postretirement non-service benefit (income) loss	$ (8.1)	$ (9.2)	$ (16.8)	$ (18.8)
Loss (gain) from remeasurement of benefit plans	(35.5)	(0.7)	(42.0)	(0.5)
Sales and use tax refund	0.0	(2.5)	0.0	(2.5)
Foreign currency exchange loss (gain)	(0.1)		(0.1)	0.0
Miscellaneous (income) expense	(0.1)	0.1	(0.1)	0.1
Total other (income) expense, net	$ (43.8)	$ (12.3)	$ (59.0)	$ (21.7)