Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2020
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Allowance for trade and unbilled receivables	$ 39.7	$ 42.5
Cumulative Effect, Period of Adoption, Adjustment
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Allowance for trade and unbilled receivables		11.5		$ 11.5
Allowance for credit losses
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	42.5	26.4	$ 18.7
Charged to Costs & Expenses	7.1	7.1	12.2
Impact of Currency	(0.7)	1.2	(0.3)
Charged to other accounts	2.0	11.5	0.6
Write Offs, Write Downs & Deductions	(11.2)	(3.7)	(4.8)
Ending balance	$ 39.7	$ 42.5	$ 26.4