Segments - Geographic (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Total net revenues	$ 998.0	$ 1,001.7
Total Americas
Segment Reporting Information [Line Items]
Total net revenues	579.5	543.6
United States
Segment Reporting Information [Line Items]
Total net revenues	529.4	476.6
Other
Segment Reporting Information [Line Items]
Total net revenues	50.1	67.0
Europe, Middle East, and Africa
Segment Reporting Information [Line Items]
Total net revenues	255.0	286.2
Asia Pacific
Segment Reporting Information [Line Items]
Total net revenues	$ 163.5	$ 171.9