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Investments - Summary of Selected Financial Information for Jefferies Finance (Detail) (Jefferies Finance, LLC [Member], USD $)
In Millions, unless otherwise specified
Feb. 28, 2014
Nov. 30, 2013
Jefferies Finance, LLC [Member]
   
Total assets $ 3,790.5 $ 3,271.9
Total liabilities 3,086.4 2,597.0
Total equity 704.1 674.9
Our total equity balance $ 352.1 $ 337.3