Segment Information - Reconciliation of Segment Revenue to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 461.2	$ 488.0	$ 1,422.9	$ 1,515.1
Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	390.1	410.4	1,207.7	1,286.3
Other revenue
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	71.1	77.6	215.2	230.2
Elimination of intercompany revenue
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 0.0	$ 0.0	$ 0.0	$ (1.4)