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v2.4.0.8

Income Taxes - Additional Information (Detail) | 9 Months Ended
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Mar. 31, 2014
Investments Owned Federal Income Tax Note [Line Items] |
Tax benefits | 50.00%

X
- Definition Maximum Amount Of Income Tax Benefits Percentage Realized Upon Ultimate Settlement + References No definition available. + Details
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Namespace Prefix: | egan_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_InvestmentsOwnedFederalIncomeTaxNoteLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration