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Securities Owned And Securities Sold, Not Yet Purchased (Narrative) (Detail) (Securities Deposit, USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Jun. 29, 2012
Securities Deposit
   
Assets and Associated Liabilities of Transfers Accounted for as Secured Borrowings [Line Items]    
Securities pledged as security deposits at clearing organization $ 3,000 $ 1,850