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DEFINED CONTRIBUTION PLANS (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Feb. 28, 2013
DEFINED CONTRIBUTION PLANS      
Total matching contributions to saving plans $ 3.21us-gaap_DefinedContributionPlanCostRecognized $ 2.89us-gaap_DefinedContributionPlanCostRecognized $ 2.60us-gaap_DefinedContributionPlanCostRecognized