Reportable Segment Information Reconciliation of Operating Profit by Segment to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 585,087	$ 538,562	$ 1,759,916	$ 1,655,631
Cost of Revenue	340,586	328,224	1,016,868	972,205
Research and Development	39,411	35,993	120,192	108,363
Selling, General, and Administrative	66,350	62,246	209,839	211,298
Total Expenses	446,347	426,463	1,346,899	1,291,866
OPERATING INCOME	138,740	112,099	413,017	363,765
INTEREST INCOME (EXPENSE)	3,168	2,066	13,070	3,870
INCOME BEFORE INCOME TAXES	141,908	114,165	426,087	367,635
Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	330,792	305,017	1,010,498	959,214
Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	254,295	233,545	749,418	696,417
Core [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	180,725	166,655	549,523	518,696
Cost of Revenue	75,258	72,153	227,417	217,449
SEGMENT INCOME	105,467	94,502	322,106	301,247
Core [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	170,262	156,421	518,247	487,594
Core [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	10,463	10,234	31,276	31,102
Payments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	217,449	201,919	644,207	605,115
Cost of Revenue	116,266	109,848	344,023	330,297
SEGMENT INCOME	101,183	92,071	300,184	274,818
Payments [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	22,834	20,440	65,671	61,402
Payments [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	194,615	181,479	578,536	543,713
Complementary [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	167,442	149,231	500,080	463,064
Cost of Revenue	67,836	64,219	197,188	188,002
SEGMENT INCOME	99,606	85,012	302,892	275,062
Complementary [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	121,077	109,682	368,644	347,733
Complementary [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	46,365	39,549	131,436	115,331
Corporate and Other [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	19,471	20,757	66,106	68,756
Cost of Revenue	81,226	82,004	248,240	236,457
SEGMENT INCOME	(61,755)	(61,247)	(182,134)	(167,701)
Corporate and Other [Member] | Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	16,619	18,474	57,936	62,485
Corporate and Other [Member] | Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 2,852	$ 2,283	$ 8,170	$ 6,271