Consolidated Statements of Financial Condition (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Nov. 30, 2013 Successor [Member]	Nov. 30, 2012 Predecessor [Member]
Securities pledged to creditors	$ 13,253,537	$ 12,334,745
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized		500,000,000
Common stock, shares issued		204,147,007
Treasury stock, at cost		835,033