Investments - Summary of Selected Financial Information for Jefferies Finance (Detail) - Jefferies Finance, LLC [Member] - USD ($) $ in Millions	Nov. 30, 2015	Nov. 30, 2014
Schedule of Equity Method Investments [Line Items]
Total assets	$ 7,292.1	$ 5,954.0
Total liabilities	6,297.3	4,961.7
Total equity	994.8	992.3
Our total equity balance	$ 497.4	$ 496.0

The amount of assets reported by an equity method investment of the entity.

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Amount of equity, excluding noncontrolling interest, attributable to the equity method investment of the entity.

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