Reportable Segment Information Reconciliation of Operating Profit by Segment to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 545,701	$ 505,314	$ 1,117,069	$ 1,034,516
Cost of Revenue	320,979	304,589	643,981	602,849
Research and Development	35,478	36,561	72,370	69,554
Selling, General, and Administrative	70,277	56,788	149,051	114,013
Total Expenses	426,734	397,938	865,402	786,416
OPERATING INCOME	118,967	107,376	251,667	248,100
INTEREST INCOME (EXPENSE)	1,256	(2,166)	1,804	(3,590)
INCOME BEFORE INCOME TAXES	120,223	105,210	253,471	244,510
Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	311,992	290,700	654,197	610,849
Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	233,709	214,614	462,872	423,667
Core [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	165,601	153,539	352,041	326,853
Cost of Revenue	69,370	66,666	145,296	137,270
SEGMENT INCOME	96,231	86,873	206,745	189,583
Core [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	155,429	143,799	331,173	307,014
Core [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	10,172	9,740	20,868	19,839
Payments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	203,839	191,477	403,195	378,010
Cost of Revenue	111,623	107,413	220,449	207,965
SEGMENT INCOME	92,216	84,064	182,746	170,045
Payments [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	21,060	19,330	40,962	37,982
Payments [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	182,779	172,147	362,233	340,028
Complementary [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	152,466	142,121	313,833	290,539
Cost of Revenue	64,023	58,944	126,298	117,049
SEGMENT INCOME	88,443	83,177	187,535	173,490
Complementary [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	113,779	110,206	238,050	228,420
Complementary [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	38,687	31,915	75,783	62,119
Corporate and Other [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	23,795	18,177	48,000	39,114
Cost of Revenue	75,963	71,566	151,938	140,565
SEGMENT INCOME	(52,168)	(53,389)	(103,938)	(101,451)
Corporate and Other [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	21,724	17,365	44,012	37,433
Corporate and Other [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 2,071	$ 812	$ 3,988	$ 1,681