Revenue Recognition Disaggregation of Revenue by Geography (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Elimination of revenue attributable to multiple locations									$ (75.2)
Net revenue	$ 725.7	$ 617.5	$ 623.0	$ 551.8	$ 685.3	$ 627.9	$ 606.3	$ 543.9	2,518.0	$ 2,463.4	$ 2,075.4
Untied States
Disaggregation of Revenue [Line Items]
Net revenue									1,317.3
Europe
Disaggregation of Revenue [Line Items]
Net revenue									842.1
International Other
Disaggregation of Revenue [Line Items]
Net revenue									$ 433.8