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Supplemental Financial Information - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Jun. 30, 2018
Financing receivables          
Accounts receivable with contractual maturities and sales-type leases $ 4,830   $ 4,830   $ 6,889
Allowance for credit loss 3,327   3,327   $ 0
Leases Receivable 0   0    
Depreciation expense $ 2,000 $ 2,500 $ 4,100 $ 4,900