Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income	$ 16,361	$ 16,253
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes-(Note 7)	55	(5,315)
Share-based compensation	5,397	4,629
Depreciation and amortization	730	568
Net realized and unrealized gains on investments	(623)	(198)
Equity in net income from limited liability companies	(116)	(91)
Amortization of bond premiums	29	31
Excess income tax benefit from share-based compensation	(1,715)	(309)
Income tax benefit from dividends paid on unvested shares	(473)	(425)
(Increase)/decrease in operating assets:
Accounts receivable	(2,336)	(3,754)
Prepaid and other current assets	(312)	(900)
Increase/(decrease) in operating liabilities:
Accounts payable and accrued liabilities	850	102
Accrued compensation and benefits	(2,976)	(1,678)
Income taxes payable	1,621	759
Deferred rent	(122)	(112)
Net cash provided by operating activities	16,370	9,560
Cash flows from investing activities:
Investments in Company-sponsored products and other investments, net	(5,056)	(3,059)
Proceeds from redemption of held-to-maturity securities	350
Capital expenditures	(212)	(214)
Security deposits	99	509
Net cash used in investing activities	(4,819)	(2,764)
Cash flows from financing activities:
Dividends paid	(22,618)	(20,791)
Repurchase of common shares, net	(5,732)	(1,201)
Excess income tax benefit from share-based compensation	1,715	309
Income tax benefit from dividends paid on unvested shares	473	425
Proceeds from stock option exercises	529	537
Net gain on sale of shares for employee withholding		88
Net cash used in financing activities	(25,633)	(20,633)
Net decrease in cash and cash equivalents during period	(14,082)	(13,837)
Cash and cash equivalents at beginning of period	29,128	36,447
Cash and cash equivalents at end of period	15,046	22,610
Supplemental disclosure of cash flow information:
Cash paid for income taxes	11,392	9,055
Supplemental disclosure of non-cash investing activities:
Net change in unrealized gains on available-for-sale securities, net of tax	$ (104)	$ 417