Restatement of Condensed Consolidated Financial Statements Cash Flow (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 53,882	$ 48,361	$ 99,969	$ 91,583
Adjustments to reconcile net income from operations to net cash from operating activities:
Depreciation			27,471	26,153
Amortization			31,945	25,969
Change in deferred income taxes			(4,527)	(3,889)
Excess tax benefits from stock-based compensation, Operating Activities			(4,006)	(3,152)
Expense for stock-based compensation	2,516	2,619	4,583	4,541
Gain/loss on disposal of assets			(5,315)	(52)
Changes in operating assets and liabilities:
Change in receivables			76,151	94,694
Change in prepaid expenses, deferred costs and other			(31,555)	(26,340)
Change in accounts payable			(2,627)	(970)
Change in accrued expenses			1,263	(16,200)
Change in income taxes			11,878	11,660
Change in deferred revenues			(78,332)	(72,681)
Net cash from operating activities			126,898	131,316
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures			(27,389)	(21,866)
Proceeds from sale of assets			8,242	2,809
Internal use software			(7,432)	(6,980)
Computer software developed			(36,820)	(29,015)
Net cash from investing activities			(63,399)	(55,052)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on credit facilities			70,000	0
Repayments on credit facilities			(4,669)	(13,630)
Purchase of treasury stock			(112,803)	0
Dividends paid			(35,961)	(34,146)
Excess tax benefits from stock-based compensation, Financing Activities			4,006	3,152
Proceeds from issuance of common stock upon exercise of stock options			402	221
Minimum tax withholding payments related to option exercises			(7,680)	(6,239)
Proceeds from sale of common stock, net			2,161	1,974
Net cash from financing activities			(84,544)	(48,668)
NET CHANGE IN CASH AND CASH EQUIVALENTS			(21,045)	27,596
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD			70,377	127,905
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 49,332	155,501	49,332	155,501
Scenario, Previously Reported [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income		53,982		103,770
Adjustments to reconcile net income from operations to net cash from operating activities:
Depreciation				26,153
Amortization				25,969
Change in deferred income taxes				3,868
Excess tax benefits from stock-based compensation, Operating Activities				(3,152)
Expense for stock-based compensation				4,541
Gain/loss on disposal of assets				(52)
Changes in operating assets and liabilities:
Change in receivables				94,694
Change in prepaid expenses, deferred costs and other				(14,672)
Change in accounts payable				(970)
Change in accrued expenses				(16,200)
Change in income taxes				11,660
Change in deferred revenues				(104,293)
Net cash from operating activities				131,316
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures				(21,866)
Proceeds from sale of assets				2,809
Internal use software				(6,980)
Computer software developed				(29,015)
Net cash from investing activities				(55,052)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on credit facilities				0
Repayments on credit facilities				(13,630)
Dividends paid				(34,146)
Excess tax benefits from stock-based compensation, Financing Activities				3,152
Proceeds from issuance of common stock upon exercise of stock options				221
Minimum tax withholding payments related to option exercises				(6,239)
Proceeds from sale of common stock, net				1,974
Net cash from financing activities				(48,668)
NET CHANGE IN CASH AND CASH EQUIVALENTS				27,596
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD			70,377	127,905
CASH AND CASH EQUIVALENTS, END OF PERIOD		155,501		155,501
Scenario, Adjustment [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income		(5,621)		(12,187)
Adjustments to reconcile net income from operations to net cash from operating activities:
Depreciation				0
Amortization				0
Change in deferred income taxes				(7,757)
Excess tax benefits from stock-based compensation, Operating Activities				0
Expense for stock-based compensation				0
Gain/loss on disposal of assets				0
Changes in operating assets and liabilities:
Change in receivables				0
Change in prepaid expenses, deferred costs and other				(11,668)
Change in accounts payable				0
Change in accrued expenses				0
Change in income taxes				0
Change in deferred revenues				31,612
Net cash from operating activities				0
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures				0
Proceeds from sale of assets				0
Internal use software				0
Computer software developed				0
Net cash from investing activities				0
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on credit facilities				0
Repayments on credit facilities				0
Dividends paid				0
Excess tax benefits from stock-based compensation, Financing Activities				0
Proceeds from issuance of common stock upon exercise of stock options				0
Minimum tax withholding payments related to option exercises				0
Proceeds from sale of common stock, net				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