Revenue -Summary of Contract with Customer, Asset and Liability (Details) - USD ($) $ in Thousands		Dec. 31, 2019	Jun. 30, 2019
Contract Assets:
Unbilled accounts receivable - current	[1]	$ 11,530	$ 5,260
Interest receivable – current	[2]	640	361
Long Term Accounts Receivable	[3]	3,478	4,116
Interest receivable - non-current	[3]	1,288	1,255
Contract Liabilities:
Customer advances		18,231	20,395
Deferred revenue – current		79,599	78,332
Deferred revenue – non-current		$ 27,242	$ 26,639

[1] Included in accounts receivable on consolidated balance sheets

[2] Included in prepaid expenses and other current assets on consolidated balance sheets

[3] Included in other assets on consolidated balance sheets