Recent Accounting Pronouncements Impact of Adoption of ASC 606 on Previously Reported Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income			$ 210,892	$ 297,199
Adjustments to reconcile net income to net cash from operating activities:
Depreciation			34,722	36,470
Amortization			84,605	75,787
Change in deferred income taxes			3,287	(86,593)
Expense for stock-based compensation	$ 3,505	$ 3,225	8,651	7,834
(Gain)/ loss on disposal of assets and businesses			183	(1,673)
Changes in operating assets and liabilities:
Change in receivables			107,535	141,799
Change in prepaid expenses, deferred costs and other			(55,639)	(60,248)
Change in accounts payable			(10,254)	(432)
Change in accrued expenses			7,115	(4,172)
Change in income taxes			5,014	12,187
Change in deferred revenues			(162,742)	(183,286)
Net cash from operating activities			233,369	234,872
CASH FLOWS FROM INVESTING ACTIVITIES:
Payment for acquisitions, net of cash acquired			(19,981)	(137,654)
Capital expenditures			(42,417)	(17,858)
Proceeds from the sale of businesses			0	350
Proceeds from sale of assets			95	258
Internal use software			(4,266)	(6,965)
Computer software developed			(81,438)	(72,186)
Payments to Acquire Investments			0	(5,000)
Net cash from investing activities			(148,027)	(239,055)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on credit facilities			35,000	125,000
Repayments on credit facilities			0	(70,000)
Purchase of treasury stock			(21,276)	(30,018)
Dividends paid			(87,970)	(76,429)
Proceeds from issuance of common stock upon exercise of stock options			1	176
Tax withholding payments related to share based compensation			(13,798)	(7,279)
Proceeds from sale of common stock			6,659	5,370
Net cash from financing activities			(81,384)	(53,180)
NET CHANGE IN CASH AND CASH EQUIVALENTS			3,958	(57,363)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD			31,440	114,765
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 35,398	57,402	35,398	57,402
Accounting Standards Update 2014-09 [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income				5,819
Adjustments to reconcile net income to net cash from operating activities:
Depreciation				0
Amortization				0
Change in deferred income taxes				(16,489)
Expense for stock-based compensation				0
(Gain)/ loss on disposal of assets and businesses				0
Changes in operating assets and liabilities:
Change in receivables				28,334
Change in prepaid expenses, deferred costs and other				(42,916)
Change in accounts payable				0
Change in accrued expenses				2,799
Change in income taxes				(619)
Change in deferred revenues				23,072
Net cash from operating activities				0
CASH FLOWS FROM INVESTING ACTIVITIES:
Payment for acquisitions, net of cash acquired				0
Capital expenditures				0
Proceeds from the sale of businesses				0
Proceeds from sale of assets				0
Internal use software				0
Computer software developed				0
Payments to Acquire Investments				0
Net cash from investing activities				0
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on credit facilities				0
Repayments on credit facilities				0
Purchase of treasury stock				0
Dividends paid				0
Proceeds from issuance of common stock upon exercise of stock options				0
Tax withholding payments related to share based compensation				0
Proceeds from sale of common stock				0
Net cash from financing activities				0
NET CHANGE IN CASH AND CASH EQUIVALENTS				0
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD			0	0
CASH AND CASH EQUIVALENTS, END OF PERIOD		0		0
Previously Reported [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income				291,380
Adjustments to reconcile net income to net cash from operating activities:
Depreciation				36,470
Amortization				75,787
Change in deferred income taxes				(70,104)
Expense for stock-based compensation				7,834
(Gain)/ loss on disposal of assets and businesses				(1,673)
Changes in operating assets and liabilities:
Change in receivables				113,465
Change in prepaid expenses, deferred costs and other				(17,332)
Change in accounts payable				(432)
Change in accrued expenses				(6,971)
Change in income taxes				12,806
Change in deferred revenues				(206,358)
Net cash from operating activities				234,872
CASH FLOWS FROM INVESTING ACTIVITIES:
Payment for acquisitions, net of cash acquired				(137,654)
Capital expenditures				(17,858)
Proceeds from the sale of businesses				350
Proceeds from sale of assets				258
Internal use software				(6,965)
Computer software developed				(72,186)
Payments to Acquire Investments				(5,000)
Net cash from investing activities				(239,055)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on credit facilities				125,000
Repayments on credit facilities				(70,000)
Purchase of treasury stock				(30,018)
Dividends paid				(76,429)
Proceeds from issuance of common stock upon exercise of stock options				176
Tax withholding payments related to share based compensation				(7,279)
Proceeds from sale of common stock				5,370
Net cash from financing activities				(53,180)
NET CHANGE IN CASH AND CASH EQUIVALENTS				(57,363)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD			$ 31,440	114,765
CASH AND CASH EQUIVALENTS, END OF PERIOD		$ 57,402		$ 57,402