Segment and Geographic Information - Summary of Segments' Profits (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Summary of operating segments
Segment revenue	$ 123,682	$ 119,277	$ 119,933	$ 120,050	$ 113,680	$ 119,217	$ 119,151	$ 120,296	$ 482,942	$ 472,344	$ 440,401
Income from operations	$ 48,948	$ 52,273	$ 56,065	$ 54,730	$ 48,972	$ 50,681	$ 56,299	$ 55,429	212,016	211,381	179,792
Operating Segments
Summary of operating segments
Segment revenue									482,942	472,344	440,401
Segment expenses									(219,629)	(207,299)	(211,896)
Income from operations									263,313	265,045	228,505
Operating Segments | Subscription and software
Summary of operating segments
Segment revenue									453,512	440,408	405,640
Segment expenses									(193,214)	(179,064)	(183,485)
Income from operations									260,298	261,344	222,155
Operating Segments | Services
Summary of operating segments
Segment revenue									29,430	31,936	34,761
Segment expenses									(26,415)	(28,235)	(28,411)
Income from operations									$ 3,015	$ 3,701	$ 6,350