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Pension Plan - Additional Information (Detail) (USD $)
 12 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Feb. 28, 2013
Defined Benefit Plan Disclosure [Line Items]      
Employees covered under noncontributory Pension Plan 8.00%ebf_PercentageOfEmployeesCovered    
Compensation period preceding retirement and termination 5 years    
Company estimates the long-term rate of return on plan assets 8.00%ebf_DefinedBenefitPlanTargetPlanAssetAllocationExpectedLongTermReturnOnAssets    
Target asset allocation, historical period 10 years    
Target asset allocation, expected returns 5 years    
Expected rate of return 8.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets 8.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets 8.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
Expected Contribution $ 3,000,000us-gaap_DefinedBenefitPlanContributionsByEmployer $ 3,000,000us-gaap_DefinedBenefitPlanContributionsByEmployer  
Matching contributions 1,200,000us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount 900,000us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount 800,000us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
United States employees contribution 100.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent    
Profit sharing contributions 227,000ebf_DefinedContributionPlanProfitSharingContributions 254,000ebf_DefinedContributionPlanProfitSharingContributions 258,000ebf_DefinedContributionPlanProfitSharingContributions
Minimum [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Expected Contribution 2,000,000us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		    
Maximum [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Expected Contribution $ 3,000,000us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_RangeAxis
= us-gaap_MaximumMember