XML 25 R46.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Description of the Business (Narrative) (Details) | 12 Months Ended
--- | ---
Mar. 31, 2015
Description Of Business Narrative Details |
Approximate number of business customers | 41,600 EGHT_ApproximateNumberOfBusinessCustomers
Year Founded | 1987
Entity Incorporation, Date of Incorporation | Dec. 31, 1996
Entity Incorporation, State Country Name | Delaware
Fiscal Year End Date | --03-31

X
- Definition End date of current fiscal year in the format --MM-DD. + References No definition available. + Details
Name: | dei_CurrentFiscalYearEndDate
Namespace Prefix: | dei_
Data Type: | xbrli:gMonthDayItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when an entity was incorporated + References No definition available. + Details
Name: | dei_EntityIncorporationDateOfIncorporation
Namespace Prefix: | dei_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition State or Country Name where an entity is incorporated + References No definition available. + Details
Name: | dei_EntityIncorporationStateCountryName
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | EGHT_ApproximateNumberOfBusinessCustomers
Namespace Prefix: | EGHT_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | EGHT_DescriptionOfBusinessDetailsAbstract
Namespace Prefix: | EGHT_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Year the entity was founded, in CCYY format. + References No definition available. + Details
Name: | us-gaap_YearFounded
Namespace Prefix: | us-gaap_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration