Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income	$ 10,281	$ 12,379
Adjustments to reconcile net income to net cash provided by operating activities:
Benefit from deferred income taxes-(Note 7)	(116)	(5,211)
Share-based compensation	2,800	2,481
Depreciation and amortization	537	387
Net realized and unrealized gains on investments	(115)	(111)
Equity in net loss/(income) from limited liability company	44	(69)
Amortization of bond premiums	21	20
Excess income tax benefit from share-based compensation	(1,715)	(309)
Income tax benefit from dividends paid on unvested shares	(433)	(397)
(Increase)/decrease in operating assets:
Accounts receivable	(345)	(2,708)
Prepaid and other current assets	(884)	233
Increase/(decrease) in operating liabilities:
Accounts payable and accrued liabilities	91	228
Accrued compensation and benefits	6,787	1,303
Income taxes payable	1,499	816
Deferred rent	(82)	(71)
Net cash provided by operating activities	18,370	8,971
Cash flows from investing activities:
Investments in Company-sponsored products and other investments, net	(5,032)	(3,047)
Capital expenditures	(173)	(162)
Security deposits, net	101	510
Net cash used in investing activities	(5,104)	(2,699)
Cash flows from financing activities:
Cash dividends on common stock	(3,265)	(19,420)
Repurchase of common shares	(1,943)	0
Excess income tax benefit from share-based compensation	1,715	309
Income tax benefit from dividends paid on unvested shares	433	397
Proceeds from stock option exercises	357	254
Net gain on sale of shares for employee withholding	0	60
Net cash used in financing activities	(2,703)	(18,400)
Net increase/(decrease) in cash and cash equivalents during period	10,563	(12,128)
Cash and cash equivalents at beginning of period	29,128	36,447
Cash and cash equivalents at end of period	39,691	24,319
Supplemental disclosure of cash flow information:
Cash paid for income taxes	7,392	5,375
Supplemental disclosures of non-cash investing and financing activities:
Net change in unrealized gains on available-for-sale securities, net of tax	(289)	356
Dividends declared but not yet paid - (Note 10)	$ 17,487	$ 0