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Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013
Income Tax [Line Items]
Effective tax rate on earnings from operations	(13.80%)us-gaap_EffectiveIncomeTaxRateContinuingOperations	58.50%us-gaap_EffectiveIncomeTaxRateContinuingOperations	36.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Refund receivable related to amended Canadian tax returns	$ 2,300,000us-gaap_IncomeTaxReceivable
Tax benefit recognized	50.00%ebf_TaxBenefitRecognizedThresholdLimitPercentage
Unrecognized tax benefits, including accrued interest and penalties	329,481us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	246,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Unrecognized tax benefit includes an aggregate of interest expense	17,000us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
Reductions due to lapses of statutes of limitations	82,000us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	32,000us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
Unrecognized tax benefits expiring	12 months
Unrecognized interest or penalties other than tax benefits	0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Internal Revenue Service (IRS) [Member]
Income Tax [Line Items]
Operating Loss Carryforwards	$ 323,000us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityNameAxis = us-gaap_InternalRevenueServiceIRSMember
Internal Revenue Service (IRS) [Member] | Minimum [Member]
Income Tax [Line Items]
Net operating loss carry forwards expiring	2023
Internal Revenue Service (IRS) [Member] | Maximum [Member]
Income Tax [Line Items]
Net operating loss carry forwards expiring	2025

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Tax Benefit Recognized Threshold Limit Percentage

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Name Accounting Standards Codification

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Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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