Accounts Receivable and Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2020

Receivables [Abstract]

Schedule of Allowance for Credit Losses

Movements in the allowance for credit losses are as follows (in millions):

	Three Months Ended March 31,
	2020		2019
Beginning balance	$	2.8	$	1.1
Cumulative effect of ASC 326 adoption	1.1		—
Provision (recoveries)	0.8		1.0
Write-offs	—		—
Ending balance	$	4.7	$	2.1