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Income Taxes - Additional Information (Detail) (USD $) | 12 Months Ended
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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 | $ 2,300,000 us-gaap_IncomeTaxReceivable |  |
Tax benefit recognized | 50.00%ebf_TaxBenefitRecognizedThresholdLimitPercentage |  |
Unrecognized tax benefits, including accrued interest and penalties | 329,481 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 246,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |
Unrecognized tax benefit includes an aggregate of interest expense | 17,000 us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense |  |
Reductions due to lapses of statutes of limitations | 82,000 us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations | 32,000 us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations |
Unrecognized tax benefits expiring | 12 months |  |
Unrecognized interest or penalties other than tax benefits | 0 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | 0 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | 0 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Internal Revenue Service (IRS) [Member] |  |  |
Income Tax [Line Items] |  |  |
Operating Loss Carryforwards | $ 323,000 us-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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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 8 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 5 -Subparagraph c -Article 7 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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