CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income	$ 118,407	$ 85,783	$ 45,262
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,216	5,215	5,229
Net foreign currency loss (gain)	(1,552)	1,934	(952)
Stock-based compensation	14,584	14,056	14,637
Deferred income taxes	20,112	34,596	5,127
Provision for bad debts	(513)	1,793	489
Tax benefits from stock based compensation	37,024	727	478
Excess tax benefits from stock-based compensation	(37,024)	(727)	(478)
Other non-cash operating activities	1,619	1,847	818
Changes in assets and liabilities:
Accounts receivable	8,028	(3,179)	(6,094)
Unbilled services	526	301	(380)
Prepaid expenses, prepaid income taxes, and other assets	4,070	947	3,827
Installments receivables	(364)	13,607	39,419
Accounts payable, accrued expenses, and other liabilities	5,933	906	(5,425)
Deferred revenue	14,919	42,325	44,605
Net cash provided by operating activities	191,985	200,131	146,562
Cash flows from investing activities:
Purchases of marketable securities	(50,065)	(68,356)	(97,597)
Maturities of marketable securities	85,535	60,265	4,549
Purchases of property, equipment and leasehold improvements	(7,645)	(4,011)	(4,507)
Insurance proceeds	0	0	2,222
Purchase of technology intangibles	0	(400)	(902)
Capitalized computer software development costs	(359)	(685)	(1,156)
Net cash provided by (used in) investing activities	27,466	(13,187)	(97,391)
Cash flows from financing activities:
Exercises of stock options	4,662	8,710	21,143
Repayments of secured borrowings	0	0	(11,010)
Repurchases of common stock	(297,246)	(121,776)	(84,677)
Payments of tax withholding obligations related to restricted stock	(5,699)	(7,831)	(7,705)
Excess tax benefits from stock-based compensation	37,024	727	478
Net cash used in financing activities	(261,259)	(120,170)	(81,771)
Effect of exchange rate changes on cash and cash equivalents	(1,469)	320	(210)
(Decrease) increase in cash and cash equivalents	(43,277)	67,094	(32,810)
Cash and cash equivalents, beginning of year	199,526	132,432	165,242
Cash and cash equivalents, end of year	156,249	199,526	132,432
Supplemental disclosure of cash flow information:
Income taxes paid, net	3,712	7,157	4,645
Interest paid	$ 30	$ 37	$ 424