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Service and Product Revenue (Narrative) (Details) | Mar. 31, 2016
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Service And Product Revenue Narrative Details |
Trial period offered with all new services, days | 30

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- References No definition available. + Details
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Namespace Prefix: | EGHT_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Trial period offered with all new services, in days + References No definition available. + Details
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Namespace Prefix: | EGHT_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant