Segment Information - Reconciliation of Segment Revenue to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 515.0	$ 517.3	$ 961.7	$ 1,027.1
Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	443.1	442.0	817.6	875.9
Other revenue
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	71.9	75.7	144.1	152.6
Elimination of intercompany revenue
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 0.0	$ (0.4)	$ 0.0	$ (1.4)