Supplemental Financial Information - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019
Financing receivables
Accounts receivable with contractual maturities	$ 3.1		$ 4.3
Allowance for credit loss	3.6		$ 3.6
Property and equipment, net
Depreciation expense	$ 1.8	$ 2.1