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Provision (benefit) for Income Taxes Federal Statutory Corporate Tax (Parenthetical) (Detail)	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
Income Tax Disclosure [Abstract]
Federal statutory tax rate	35.00%	35.00%	35.00%

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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