Investments And Variable Interest Entities (Narrative) (Detail) (USD $)		12 Months Ended								12 Months Ended								12 Months Ended
	Jun. 30, 2013 item	Jun. 30, 2013 Limited Partnership Venture Capital Funds [Member] item	Jun. 29, 2012 Limited Partnership Venture Capital Funds [Member]	Jun. 24, 2011 Limited Partnership Venture Capital Funds [Member]	Jun. 30, 2013 Limited Partnership Equity Funds [Member] item	Jun. 29, 2012 Limited Partnership Equity Funds [Member]	Jun. 24, 2011 Limited Partnership Equity Funds [Member]	Jun. 30, 2013 Limited Partnership Equity Funds [Member] Limited Partnership Equity Fund One [Member]	Jun. 29, 2012 Limited Partnership Equity Funds [Member] Limited Partnership Equity Fund Two [Member]	Jun. 30, 2013 Loan Agreement With Limited Partnership [Member]	Jun. 29, 2012 Loan Agreement With Limited Partnership [Member]	Jun. 24, 2011 Loan Agreement With Limited Partnership [Member]	Dec. 31, 2012 Loan Agreement With Limited Partnership [Member]	Sep. 26, 2012 Loan Agreement With Limited Partnership [Member]	Oct. 16, 2009 Loan Agreement With Limited Partnership [Member]	Jan. 29, 2009 Loan Agreement With Limited Partnership [Member] item	Jan. 28, 2009 Loan Agreement With Limited Partnership [Member]	Jun. 30, 2013 Investments In Private Investment Funds [Member]	Apr. 30, 2012 Investments In Private Investment Funds [Member]
Schedule of Equity Method Investments [Line Items]
Number of investment partnerships	4	1			2											1
Aggregate commitment for limited partnership equity fund		$ 5,000,000						$ 3,000,000	$ 2,000,000										$ 3,000,000
Value of the share of investments made by the limited partnership		513,000	1,494,000
Net gain (loss) on equity method investment equity funds		(640,000)	(620,000)	(180,000)	882,000	1,192,000	389,000											118,000
Cash distributions from investment		341,000			2,400,000	517,000	306,000
Bank investments from aggregate commitment								3,782,000	5,300,000									180,000
Loan agreement executed													5,000,000				4,500,000
Increase in note amount post loan amendment															5,000,000
Bank loan outstanding balance										2,549,000
Bank loan interest rate floor										4.25%
Interest income earned										$ 166,000	$ 243,000	$ 250,000
Loan maturity date										Dec. 31, 2015				Jan. 02, 2013