Components of Interest Income, Net (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2011
Net Interest Income [Line Items]
Interest Expense	$ (32)	$ (113)	$ (36)
Interest Income	46	65	115
Interest Income, Net	$ 14	$ (48)	$ 79

Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.

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The cost of borrowed funds accounted for as interest that was charged against earnings during the period.

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