Reportable Segment Information Reconciliation of Operating Profit by Segment to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 573,848	$ 545,701	$ 1,174,829	$ 1,117,069
Cost of Revenue	332,850	320,979	676,282	643,981
Research and Development	41,095	35,478	80,780	72,370
Selling, General, and Administrative	76,901	70,277	143,489	149,051
Total Expenses	450,846	426,734	900,551	865,402
OPERATING INCOME	123,002	118,967	274,278	251,667
INTEREST INCOME (EXPENSE)	4,379	1,256	9,901	1,804
INCOME BEFORE INCOME TAXES	127,381	120,223	284,179	253,471
Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	323,027	311,992	679,706	654,197
Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	250,821	233,709	495,123	462,872
Core [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	173,173	165,601	368,797	352,041
Cost of Revenue	70,739	69,370	152,159	145,296
SEGMENT INCOME	102,434	96,231	216,638	206,745
Core [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	163,119	155,429	347,985	331,173
Core [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	10,054	10,172	20,812	20,868
Payments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	214,836	203,839	426,758	403,195
Cost of Revenue	114,738	111,623	227,757	220,449
SEGMENT INCOME	100,098	92,216	199,001	182,746
Payments [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	20,094	21,060	42,837	40,962
Payments [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	194,742	182,779	383,921	362,233
Complementary [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	160,937	152,466	332,639	313,833
Cost of Revenue	63,384	62,825	129,352	123,783
SEGMENT INCOME	97,553	89,641	203,287	190,050
Complementary [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	117,574	113,779	247,567	238,050
Complementary [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	43,363	38,687	85,072	75,783
Corporate and Other [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	24,902	23,795	46,635	48,000
Cost of Revenue	83,989	77,161	167,014	154,453
SEGMENT INCOME	(59,087)	(53,366)	(120,379)	(106,453)
Corporate and Other [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	22,240	21,724	41,317	44,012
Corporate and Other [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 2,662	$ 2,071	$ 5,318	$ 3,988