Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 22.8	$ 17.9	$ 17.9
Charged to Costs & Expenses	23.0	9.5	4.7
Impact of Currency	0.4	(0.4)	(0.7)
Write Offs, Write Downs  & Deductions	(9.1)	(4.2)	(4.0)
Balance at End of Period	$ 37.1	$ 22.8	$ 17.9