Accumulated Other Comprehensive Income (Loss) - Schedule of Activity in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (704.8)	$ (540.3)
Ending balance	331.9	(607.9)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	32.9	43.2
Other comprehensive income (loss), net of tax	(54.3)	6.7
Ending balance	(21.4)	49.9
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0.0	0.0
Other comprehensive income (loss), net of tax	(24.0)	0.0
Ending balance	(24.0)	0.0
Pension
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(14.8)	(1.4)
Other comprehensive income (loss), net of tax	(0.2)	0.0
Ending balance	(15.0)	(1.4)
Tax Receivable Agreement
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0.0	0.0
Other comprehensive income (loss), net of tax	25.9	0.0
Ending balance	25.9	0.0
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	18.1	41.8
Ending balance	$ (34.5)	$ 48.5