Fair Value of Financial Instruments - Schedule of Changes in Level 3 Financial Liabilities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 19.0	$ 23.7	$ 23.2	$ 33.1
Net increase in contingent consideration liability	0.0	0.0	1.1	0.0
Foreign currency impact on contingent consideration liability	(0.2)	0.0	(0.6)	1.4
Payments	0.0	(6.0)	(4.9)	(16.7)
Ending balance	$ 18.8	$ 17.8	$ 18.8	$ 17.8