Accounts Receivable and Allowance for Credit Losses - Schedule of Allowance for Credit Losses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 3.8	$ 2.8
Cumulative effect of ASC 326 adoption	2.5	3.8
Provision (recoveries)	0.7	0.6
EMS Disposition	0.0	(0.6)
Write-offs	(2.0)	(0.1)
Ending balance	2.5	3.8
Cumulative Effect, Period of Adoption, Adjustment
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 0.0	1.1
Cumulative effect of ASC 326 adoption		0.0
Ending balance		$ 0.0