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Shareholders' Equity - Additional Information (Detail) (USD $) | 0 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 19, 2014 | Apr. 20, 2012 | Feb. 28, 2015 | Feb. 28, 2014 | Feb. 28, 2013 | Oct. 20, 2008
Shareholders Equity [Line Items] |  |  |  |  |  |
Repurchase of common stock through a stock repurchase program |  |  |  |  |  | $ 5,000,000 us-gaap_StockRepurchaseProgramAuthorizedAmount1
Share purchased under the repurchase program |  |  | 502,609 us-gaap_StockRepurchasedDuringPeriodShares |  |  |
Average price from inception of program |  |  | $ 13.99 ebf_AveragePriceFromInceptionOfProgram |  |  |
Common stock shares repurchased |  |  | 718,511 us-gaap_WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation |  |  |
Common stock average price, repurchased |  |  | $ 13.74 ebf_AverageRepurchasePriceCommonStockPerShare |  |  |
Additional authorized amount available to repurchase shares | 10,000,000 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 | 5,000,000 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 |  |  |  |
Total amount available to repurchase of shares | $ 10,600,000 ebf_AmountAvailableToRepurchaseOfShares | $ 9,000,000 ebf_AmountAvailableToRepurchaseOfShares |  |  |  |
Non Officer Employees [Member] |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |
Shares purchased unrelated to stock repurchase program |  |  | 81 us-gaap_TreasuryStockSharesAcquired / us-gaap_TitleOfIndividualAxis = ebf_NonOfficerEmployeesMember | 112 us-gaap_TreasuryStockSharesAcquired / us-gaap_TitleOfIndividualAxis = ebf_NonOfficerEmployeesMember | 175 us-gaap_TreasuryStockSharesAcquired / us-gaap_TitleOfIndividualAxis = ebf_NonOfficerEmployeesMember |

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- Definition Amount available to repurchase of shares. + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Average price from inception of the program. + References No definition available. + Details
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Period Type: | duration

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- Definition Average Repurchase Price Common Stock Per Share + References No definition available. + Details
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- Details
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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Period Type: | duration

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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- Definition Number of shares of common stock subject to repurchase or cancellation determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period. Common stock subject to repurchase are outstanding common shares that are contingently returnable (that is, subject to recall). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2646-109256 + Details
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- Details
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