Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

Goodwill and Other Intangible Assets - Schedule of Goodwill Resulting from Merger Attributable to Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2013	Feb. 28, 2013	Nov. 30, 2012
Business Combination Transactions [Line Items]
Total goodwill	$ 1,722,346	$ 1,700,000	$ 365,670
Capital Markets [Member]
Business Combination Transactions [Line Items]
Total goodwill	1,717,246		365,670
Asset Management [Member]
Business Combination Transactions [Line Items]
Total goodwill	$ 5,100