Revenue from Contracts with Customers Impact to Prior Period Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019
Current contract assets	$ 286,644		$ 294,193
Total revenue	134,091	$ 114,169
Gross profit	118,873	100,942
Selling and marketing	29,192	26,812
General and administrative	19,884	16,084
Total operating expenses	71,569	63,952
Income from operations	47,304	36,990
Interest income	7,976	7,069
Provision for (benefit from) income taxes	7,128	4,307
Net income	46,284	38,066
Deferred income taxes	(182)	(44,670)
Contract assets	(25,440)	(30,914)
Contract costs	$ (345)	$ (796)
Earnings Per Share, Basic	$ 0.68	$ 0.54
Earnings Per Share, Diluted	$ 0.67	$ 0.53
Weighted Average Number of Shares Outstanding, Basic	68,441	70,988
Weighted Average Number of Shares Outstanding, Diluted	69,317	72,015
Accounts receivable, net	$ 48,991		47,784
Non-current contract assets	358,704		325,510
Total assets	1,021,657		903,065
Contract costs	25,327		24,982
Current deferred revenue	25,699		25,318
Non-current deferred revenue	17,349		19,573
Deferred income taxes	160,230		159,071
Other non-current liabilities	4,704		10,381
Retained earnings	1,306,268		1,259,984
Accounts receivable	(1,945)	$ (12,394)
Deferred revenue	(1,355)	11,403
Net cash provided by operating activities	15,260	5,570
Total liabilities and stockholders’ equity	1,021,657		$ 903,065
License [Member]
Total revenue	81,171	63,755
Maintenance [Member]
Total revenue	43,574	43,039
Services and other
Total revenue	$ 9,346	$ 7,375