Schedule II-Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts Receivable Reserve Allowances
Changes in valuation and qualifying accounts
Balance At Beginning of Period	$ 11.1	$ 14.3	$ 15.0
Additions Charged To Expense	3.4	1.1	2.2
Additions Charged To Other Accounts	(0.2)	0.9
Deductions	(4.0)	(5.2)	(2.9)
Balance At End of Period	10.3	11.1	14.3
Reserve for excess and obsolete inventories
Changes in valuation and qualifying accounts
Balance At Beginning of Period	33.4	25.0	24.4
Additions Charged To Expense	8.7	13.3	6.6
Additions Charged To Other Accounts	(0.9)	1.4	(0.1)
Deductions	(8.2)	(6.3)	(5.9)
Balance At End of Period	$ 33.0	$ 33.4	$ 25.0