Reportable Segment Information Reconciliation of Operating Profit by Segment to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 493,896	$ 422,361	$ 981,952	$ 874,161
Cost of Revenue	282,825	257,782	559,460	520,711
Research and Development	29,916	26,780	56,670	52,837
Selling, General and Administrative	55,493	44,167	106,565	89,393
Total Expenses	368,234	328,729	722,695	662,941
OPERATING INCOME	125,662	93,632	259,257	211,220
INTEREST INCOME (EXPENSE)	(441)	(65)	(683)	(115)
INCOME BEFORE INCOME TAXES	125,221	93,567	258,574	211,105
Core [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	154,878	134,948	320,163	288,103
Cost of Revenue	64,554	58,485	131,456	122,347
SEGMENT INCOME	90,324	76,463	188,707	165,756
Payments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	182,528	155,182	352,150	311,915
Cost of Revenue	95,570	86,455	188,795	172,783
SEGMENT INCOME	86,958	68,727	163,355	139,132
Complementary [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	141,724	121,408	283,205	251,762
Cost of Revenue	58,151	52,407	113,635	104,431
SEGMENT INCOME	83,573	69,001	169,570	147,331
Corporate and Other [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	14,766	10,823	26,434	22,381
Cost of Revenue	64,550	60,435	125,574	121,150
SEGMENT INCOME	(49,784)	(49,612)	(99,140)	(98,769)
Services and Support [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	296,211	250,873	593,704	531,870
Services and Support [Member] | Core [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	145,699	126,758	301,536	271,344
Services and Support [Member] | Payments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	23,944	14,807	39,594	31,111
Services and Support [Member] | Complementary [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	112,490	98,829	227,443	207,378
Services and Support [Member] | Corporate and Other [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	14,078	10,479	25,131	22,037
Processing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	197,685	171,488	388,248	342,291
Processing [Member] | Core [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	9,179	8,190	18,627	16,759
Processing [Member] | Payments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	158,584	140,375	312,556	280,804
Processing [Member] | Complementary [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	29,234	22,579	55,762	44,384
Processing [Member] | Corporate and Other [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 688	$ 344	$ 1,303	$ 344