Collateralized Transactions - Fair Value of Securities Received as Collateral (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2014	Nov. 30, 2013
Collateralized Securities Transactions [Abstract]
Securities purchased under agreements to resell	$ 4,448,531	$ 3,746,920
Securities borrowed	6,119,935	5,359,846
Securities received as collateral	1,051	11,063
Total assets on Consolidated Statement of Financial Condition	10,569,517	9,117,829
Netting of securities purchased under agreements to resell	8,572,185	8,968,529
Total	19,141,702	18,086,358
Fair value of additional collateral received	4,321,796	3,866,577
Fair value of securities received as collateral	$ 23,463,498	$ 21,952,935

The carrying value as of the balance sheet date of securities borrowed from broker-dealers or institutions (a) to deliver them in place of securities not available because of short-sales or late or ineffective deliveries; (b) to lend them in connection with finder or conduit transactions; and (c) to be used for other purposes permitted under federal regulations.

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The carrying value of funds outstanding loaned in the form of security resale agreements if the agreement requires the purchaser to resell the identical security purchased or a security that meets the definition of "substantially the same." Also includes purchases of participations in pools of securities that are subject to a resale agreement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Financial Accounting Standard (FAS)

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

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- Definition

The carrying value as of the balance sheet date of the assets received as collateral against securities loaned to other broker-dealers. Borrowers of securities generally are required to provide collateral to the lenders of securities, commonly cash but sometimes other securities or standby letters of credit, with a value slightly higher than that of the securities borrowed. In instances where the entity is permitted to sell or re-pledge these securities, the entity reports the fair value of the collateral received and the related obligation to return the collateral as a liability.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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