Business Segment Information Reconciliation of Operating Profit by Segment to Consolidated (Details) - USD ($) $ in Thousands	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	$ 574	$ 603	$ 245	$ 762	$ 1,490	$ 1,531	$ 979	$ 1,366	$ 2,184	$ 5,366	$ 5,652
Support and service	300,359	276,100	273,242	262,630	293,652	257,939	251,095	240,115	1,112,331	1,042,801	948,893
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	315,166	291,434	288,843	277,730	311,326	273,917	267,248	255,033	1,173,173	1,107,524	1,017,667
COST OF SALES
Cost of license	148	227	188	345	333	228	226	73	908	860	2,291
Cost of support and service	168,007	162,824	154,769	149,156	164,943	154,662	142,353	139,662	634,756	601,620	550,570
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	179,047	174,059	165,824	160,442	177,244	165,471	153,102	150,313	679,372	646,130	598,844
GROSS PROFIT	136,119	117,375	123,019	117,288	134,082	108,446	114,146	104,720	493,801	461,394	418,823
Total operating expenses	53,231	52,834	48,777	50,661	52,233	48,412	62,277	47,715	205,503	210,637	187,231
Total interest income (expense)	(263)	(178)	(138)	(149)	(2,571)	(901)	(1,071)	(1,154)	(728)	(5,697)	(4,567)
INCOME BEFORE INCOME TAXES	$ 82,625	$ 64,363	$ 74,104	$ 66,478	$ 79,278	$ 59,133	$ 50,798	$ 55,851	287,570	245,060	227,025
Banking Systems and Services [Member]
REVENUE
License									1,514	4,895	4,984
Support and service									853,500	794,433	729,779
Hardware									42,657	41,052	45,051
Total revenue									897,671	840,380	779,814
COST OF SALES
Cost of license									555	765	1,938
Cost of support and service									492,777	461,370	422,672
Cost of hardware									31,866	29,936	32,123
Total cost of sales									525,198	492,071	456,733
GROSS PROFIT									372,473	348,309	323,081
Credit Union Systems and Services [Member]
REVENUE
License									670	471	668
Support and service									258,831	248,368	219,114
Hardware									16,001	18,305	18,071
Total revenue									275,502	267,144	237,853
COST OF SALES
Cost of license									353	95	353
Cost of support and service									141,979	140,250	127,898
Cost of hardware									11,842	13,714	13,860
Total cost of sales									154,174	154,059	142,111
GROSS PROFIT									$ 121,328	$ 113,085	$ 95,742