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Activity in Allowance for Doubtful Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
Accounting Policies [Abstract]
Balance At Beginning Of Year	$ 523	$ 1,015	$ 1,359
Provision	510	86	232
Write-Offs	(459)	(578)	(576)
Balance At End Of Year	$ 574	$ 523	$ 1,015

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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