Business Combinations (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Jul. 31, 2012	Jul. 31, 2011
Unaudited pro forma adjusted summary
Proforma adjusted total revenue	$ 37,266	$ 24,896
Proforma adjusted net loss attributable to Bazaarvoice, Inc.	$ (16,778)	$ (20,566)
Proforma adjusted net loss per share attributable to Bazaarvoice, Inc:	$ (0.26)	$ (0.82)

The pro forma basic and diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

No definition available.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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