Accounts Receivable and Allowance for Credit Losses - Schedule of Allowance for Credit Losses (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 2.8	$ 1.1
Cumulative effect of ASC 326 adoption	1.1
Provision (recoveries)	0.8	1.0
Write-offs	0.0	0.0
Ending balance	$ 4.7	$ 2.1