Contractual Commitments, Contingencies and Off-Balance Sheet Arrangements - Software License Agreements (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Software License Agreements	$ 11.3	$ 9.1	$ 33.5	$ 27.0