Schedule II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for doubtful accounts
Valuation and qualifying accounts
Balance at Beginning of Year	$ 5.5	$ 5.7	$ 5.4
Additions	4.8	1.5	3.6
Deductions, Recoveries & Other	(3.5)	(1.7)	(3.3)
Balance at Ending of Year	6.8	5.5	5.7
Tax valuation allowance
Valuation and qualifying accounts
Balance at Beginning of Year	64.2	45.7	40.5
Additions	6.4	18.5	5.4
Deductions, Recoveries & Other	(3.6)	0.0	(0.2)
Balance at Ending of Year	$ 67.0	$ 64.2	$ 45.7