Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2018
Revenues:
Revenue	$ 104,846	$ 95,195	$ 207,283	$ 186,491
Cost of revenues:
Total cost of revenues	44,981	41,175	90,111	81,734
Gross profit	59,865	54,020	117,172	104,757
Operating expenses:
Sales and marketing	22,585	21,441	45,607	40,790
Product development and engineering	16,815	13,938	33,380	27,802
General and administrative	11,904	10,989	25,769	22,826
Amortization of acquisition-related intangible assets	5,253	5,702	10,579	10,890
Total operating expenses	56,557	52,070	115,335	102,308
Income from operations	3,308	1,950	1,837	2,449
Other expense, net	(858)	(3,357)	(1,639)	(7,640)
Income (loss) before income taxes	2,450	(1,407)	198	(5,191)
Benefit from income taxes	3,519	4,495	4,853	4,038	$ 4,100
Net income (loss)	$ 5,969	$ 3,088	$ 5,051	$ (1,153)
Net income (loss) per share:
Basic	$ 0.15	$ 0.08	$ 0.13	$ (0.03)
Diluted	$ 0.14	$ 0.08	$ 0.12	$ (0.03)
Shares used in computing net income (loss) per share:
Basic	40,635	38,087	40,162	37,908
Diluted	41,739	39,344	41,662	37,908
Other comprehensive income (loss), net of tax:
Unrealized gain (loss) on available for sale securities	$ 8	$ (3)	$ 6	$ (3)
Unrealized gain (loss) on interest rate hedging transactions	(1,438)	604	(1,111)	369
Minimum pension liability adjustments	(10)	38	(56)	142
Foreign currency translation adjustments	(2,543)	773	(3,910)	2,146
Other comprehensive income (loss), net of tax:	(3,983)	1,412	(5,071)	2,654
Comprehensive income (loss)	1,986	4,500	(20)	1,501
Subscriptions and Transactions [Member]
Revenues:
Revenue	71,288	63,187	141,056	123,901
Cost of revenues:
Cost of revenue	31,352	27,211	63,021	54,633
Software Licenses [Member]
Revenues:
Revenue	5,665	2,620	10,177	4,985
Cost of revenues:
Cost of revenue	210	229	441	399
Service and Maintenance [Member]
Revenues:
Revenue	26,786	28,433	54,191	55,775
Cost of revenues:
Cost of revenue	12,528	13,034	25,234	25,334
Product and Service, Other [Member]
Revenues:
Revenue	1,107	955	1,859	1,830
Cost of revenues:
Cost of revenue	$ 891	$ 701	$ 1,415	$ 1,368