Geographic Areas (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Property and equipment, net	$ 475.6		$ 475.6		$ 445.3
Revenue	467.4	$ 401.5	922.4	$ 787.1
United States
Segment Reporting Information [Line Items]
Property and equipment, net	464.7		464.7		431.9
Revenue	244.6	205.5	480.2	402.6
International
Segment Reporting Information [Line Items]
Property and equipment, net	10.9		10.9		$ 13.4
Revenue	$ 222.8	$ 196.0	$ 442.2	$ 384.5