Accounts Receivable - Allowance for Credit Losses for Accounts Receivable (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2020	Mar. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 46.6	$ 35.5
Charges to provision for credit losses	9.9	9.9	$ 2.4
Write-off of uncollectible receivables	(0.6)
Recoveries of credit losses	0.1
Translation adjustments	0.0
Ending balance	$ 56.1	$ 56.1