Revenue - Schedule of Effect of Adoption of ASC 606 on Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jul. 01, 2018	Jun. 30, 2018
ASSETS
Account receivable, net	$ 99,774		$ 65,994
Deferred cost of revenue - current	157		1,141
Prepaid expenses and other current assets	21,452		15,569
Other assets	16,180		11,576
LIABILITIES AND STOCKHOLDERS' EQUITY
Other accrued liabilities	26,945		22,448
Deferred revenue - current	78,833	$ 75,515	75,404
Long-term other liabilities	8,168		8,608
Accumulated deficit	(484,140)		$ (474,285)
ASC 606
ASSETS
Account receivable, net		66,251
Deferred cost of revenue - current		677
Prepaid expenses and other current assets		16,239
Other assets		17,416
LIABILITIES AND STOCKHOLDERS' EQUITY
Other accrued liabilities		23,059
Deferred revenue - current		75,515
Long-term other liabilities		9,075
Accumulated deficit		$ (469,171)
ASC 606 | Balances Without Adoption
ASSETS
Account receivable, net	94,076
Deferred cost of revenue - current	7,458
Prepaid expenses and other current assets	19,190
Other assets	9,514
LIABILITIES AND STOCKHOLDERS' EQUITY
Other accrued liabilities	26,185
Deferred revenue - current	87,386
Long-term other liabilities	6,311
Accumulated deficit	(497,401)
ASC 606 | Adjustment Due to ASC 606
ASSETS
Account receivable, net	5,698
Deferred cost of revenue - current	(7,301)
Prepaid expenses and other current assets	2,262
Other assets	6,666
LIABILITIES AND STOCKHOLDERS' EQUITY
Other accrued liabilities	760
Deferred revenue - current	(8,553)
Long-term other liabilities	1,857
Accumulated deficit	$ 13,261