CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 49,788	$ 42,475
Adjustments to reconcile net income to cash from operating activities:
Depreciation	12,963	12,088
Amortization	12,893	12,130
Change in deferred income taxes	1,862	3,071
Expense for stock-based compensation	1,922	1,734
Gain/loss on disposal of assets	(30)	632
Changes in operating assets and liabilities:
Change in receivables	78,489	81,478
Change in prepaid expenses, prepaid cost of product and other	(12,591)	(3,614)
Change in accounts payable	2,213	(5,799)
Change in accrued expenses	(16,238)	(11,796)
Change in income taxes	18,584	17,842
Change in deferred revenues	(52,165)	(48,392)
Net cash from operating activities	97,690	101,849
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(7,351)	(6,794)
Proceeds from sale of assets	2,702	131
Customer contracts acquired	0	(186)
Internal use software	(3,183)	0
Computer software developed	(14,076)	(11,646)
Net cash from investing activities	(21,908)	(18,495)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments on credit facilities	2,798	5,726
Purchase of treasury stock	0	(4,776)
Dividends paid	(17,054)	(9,911)
Excess tax benefits from stock-based compensation	(2,947)	(1,743)
Proceeds from issuance of common stock upon exercise of stock options	111	2,942
Minimum tax withholding payments related to option exercises	(6,176)	(2,200)
Proceeds from sale of common stock, net	1,070	949
Net cash from financing activities	(21,900)	(16,979)
NET CHANGE IN CASH AND CASH EQUIVALENTS	53,882	66,375
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	127,905	157,313
CASH AND CASH EQUIVALENTS, END OF PERIOD	181,787	223,688
Supplemental Cash Flow Information [Abstract]
Income Taxes Paid	4,015	1,229
Interest Paid	299	938
Capital Expenditures Incurred but Not yet Paid	$ 5,337	$ 7,801