Securities Owned And Securities Sold, Not Yet Purchased (Securities Owned And Securities Sold, Not Yet Purchased) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Securities owned:
Corporate equity securities	$ 1,155	$ 1,520
Municipal obligations	52,247	30,116
U.S. government and government agency obligations	50,559	41,529
Corporate obligations	95,712	127,899
Other	35,952	8,569
Total securities owned	235,625	209,633
Securities sold, not yet purchased:
Municipal obligations	9	10
U.S. government and government agency obligations	74,391	54,086
Corporate obligations	46,814	80,639
Other	141
Total securities sold, not yet purchased	$ 121,355	$ 134,735