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Commitments And Contingencies (Summary Of Future Minimum Payments) (Detail) (Co-location Services [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Co-location Services [Member]
Commitments [Line Items]
2013	$ 456
2014	116
2015
2016
2017
Thereafter
Total minimum payments	$ 572

X

- Details

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Namespace Prefix:	egan_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Future Minimum Payments Due In Five Years

+ References

No definition available.

+ Details

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Namespace Prefix:	egan_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Future Minimum Payments Due In Four Years

+ References

No definition available.

+ Details

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Namespace Prefix:	egan_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Future Minimum Payments Due In One Year

+ References

No definition available.

+ Details

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Namespace Prefix:	egan_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Future Minimum Payments Due In Three Years

+ References

No definition available.

+ Details

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Namespace Prefix:	egan_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Future Minimum Payments Due In Two Years

+ References

No definition available.

+ Details

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Namespace Prefix:	egan_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Future Minimum Payments Due Thereafter

+ References

No definition available.

+ Details

Name:	egan_FutureMinimumPaymentsDueThereafter
Namespace Prefix:	egan_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of minimum lease payments for capital leases net of executory costs, which include amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant