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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						$ 5,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1
Share purchased under the repurchase program			502,609us-gaap_StockRepurchasedDuringPeriodShares
Average price from inception of program			$ 13.99ebf_AveragePriceFromInceptionOfProgram
Common stock shares repurchased			718,511us-gaap_WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation
Common stock average price, repurchased			$ 13.74ebf_AverageRepurchasePriceCommonStockPerShare
Additional authorized amount available to repurchase shares	10,000,000us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	5,000,000us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Total amount available to repurchase of shares	$ 10,600,000ebf_AmountAvailableToRepurchaseOfShares	$ 9,000,000ebf_AmountAvailableToRepurchaseOfShares
Non Officer Employees [Member]
Shareholders Equity [Line Items]
Shares purchased unrelated to stock repurchase program			81us-gaap_TreasuryStockSharesAcquired / us-gaap_TitleOfIndividualAxis = ebf_NonOfficerEmployeesMember	112us-gaap_TreasuryStockSharesAcquired / us-gaap_TitleOfIndividualAxis = ebf_NonOfficerEmployeesMember	175us-gaap_TreasuryStockSharesAcquired / us-gaap_TitleOfIndividualAxis = ebf_NonOfficerEmployeesMember

X

- Definition

Amount available to repurchase of shares.

+ References

No definition available.

+ Details

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Namespace Prefix:	ebf_
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Balance Type:	credit
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X

- Definition

Average price from inception of the program.

+ References

No definition available.

+ Details

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Namespace Prefix:	ebf_
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Balance Type:	na
Period Type:	duration

X

- Definition

Average Repurchase Price Common Stock Per Share

+ References

No definition available.

+ Details

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Namespace Prefix:	ebf_
Data Type:	num:perShareItemType
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Period Type:	duration

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- Details

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X

- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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X

- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- 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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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

X

- 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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Namespace Prefix:	us-gaap_
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