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Income (Loss) from Continuing Operations Before Income Taxes (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Feb. 28, 2013
Feb. 29, 2012
Feb. 28, 2011
Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]      
United States $ 12,282 $ 13,778 $ 12,900
Foreign 327 (227) (532)
Income Before Provision (Benefit) for Income Taxes $ 12,609 $ 13,551 $ 12,368