CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Statement of Cash Flows [Abstract]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 121,058	$ 110,714
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	24,892	25,973
Amortization	44,568	37,012
Change in deferred income taxes	8,745	6,267
Expense for stock-based compensation	4,230	5,112
Gain/loss on disposal of assets	671	(290)
Changes in operating assets and liabilities:
Change in receivables	107,667	98,487
Change in prepaid expenses, deferred costs and other	(22,241)	(27,913)
Change in accounts payable	1,221	(4,280)
Change in accrued expenses	(18,339)	(6,687)
Change in income taxes	5,007	(4,204)
Change in deferred revenues	(113,612)	(92,911)
Net cash from operating activities	163,867	147,280
CASH FLOWS FROM INVESTING ACTIVITIES:
Payment for acquisitions, net of cash acquired	0	(8,275)
Capital expenditures	(17,405)	(31,506)
Proceeds from sale of assets	830	2,747
Internal use software	(11,455)	(8,183)
Computer software developed	(41,673)	(47,903)
Net cash from investing activities	(69,703)	(93,120)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on credit facilities	50,000	100,000
Repayments on credit facilities	(200)	(52,374)
Purchase of treasury stock	(103,885)	(155,122)
Dividends paid	(43,582)	(39,972)
Proceeds from issuance of common stock upon exercise of stock options	1	1
Minimum tax withholding payments related to option exercises	(5,394)	(2,501)
Proceeds from sale of common stock, net	2,774	2,621
Net cash from financing activities	(100,286)	(147,347)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(6,122)	(93,187)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	70,310	148,313
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 64,188	$ 55,126