Segments - Geographic (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Total net revenues	$ 1,086.3	$ 1,102.5	$ 2,084.3	$ 2,104.2
Total Americas
Segment Reporting Information [Line Items]
Total net revenues	608.8	648.8	1,188.3	1,192.4
United States
Segment Reporting Information [Line Items]
Total net revenues	547.3	601.2	1,076.7	1,077.8
Other
Segment Reporting Information [Line Items]
Total net revenues	61.5	47.6	111.6	114.6
Europe, Middle East, and Africa
Segment Reporting Information [Line Items]
Total net revenues	294.1	291.9	549.1	578.1
Asia Pacific
Segment Reporting Information [Line Items]
Total net revenues	$ 183.4	$ 161.8	$ 346.9	$ 333.7