Business Segment Information Reconciliation of Operating Profit by Segment to Consolidated (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
REVENUE
License	$ 13,070	$ 15,267	$ 12,893	$ 11,779	$ 12,063	$ 16,681	$ 13,210	$ 12,864	$ 53,009	$ 54,818	$ 54,811
Support and service	283,635	270,931	274,276	269,544	269,901	250,415	250,310	244,585	1,098,386	1,015,211	909,176
Hardware	14,233	14,731	15,356	14,338	16,184	14,447	15,174	13,552	58,658	59,357	63,122
Total revenue	310,938	300,929	302,525	295,661	298,148	281,543	278,694	271,001	1,210,053	1,129,386	1,027,109
COST OF SALES
Cost of license	747	1,167	947	1,412	1,136	1,360	1,251	1,077	4,273	4,824	6,111
Cost of support and service	166,744	164,223	157,893	154,583	160,807	155,012	144,683	143,418	643,443	603,920	551,285
Cost of hardware	10,892	11,008	10,867	10,941	11,968	10,581	10,523	10,578	43,708	43,650	45,983
Total cost of sales	178,383	176,398	169,707	166,936	173,911	166,953	156,457	155,073	691,424	652,394	603,379
GROSS PROFIT	132,555	124,531	132,818	128,725	124,237	114,590	122,237	115,928	518,629	476,992	423,730
Total operating expenses	52,755	53,149	49,345	51,381	51,343	48,881	62,809	48,412	206,630	211,445	187,495
Total interest income (expense)	(263)	(178)	(138)	(149)	(2,571)	(901)	(1,071)	(1,154)	(728)	(5,697)	(4,567)
INCOME BEFORE INCOME TAXES	79,537	71,204	83,335	77,195	70,323	64,808	58,357	66,362	311,271	259,850	231,668
Banking Systems and Services [Member]
REVENUE
License									30,253	32,933	37,200
Support and service									840,066	774,073	696,204
Hardware									42,657	41,052	45,051
Total revenue									912,976	848,058	778,455
COST OF SALES
Cost of license									3,316	3,699	4,863
Cost of support and service									493,724	460,050	419,954
Cost of hardware									31,866	29,936	32,123
Total cost of sales									528,906	493,685	456,940
GROSS PROFIT									384,070	354,373	321,515
Credit Union Systems and Services [Member]
REVENUE
License									22,756	21,885	17,611
Support and service									258,320	241,138	212,972
Hardware									16,001	18,305	18,071
Total revenue									297,077	281,328	248,654
COST OF SALES
Cost of license									957	1,125	1,248
Cost of support and service									149,719	143,870	131,331
Cost of hardware									11,842	13,714	13,860
Total cost of sales									162,518	158,709	146,439
GROSS PROFIT									$ 134,559	$ 122,619	$ 102,215