Unaudited Pro forma Adjusted Summary (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Apr. 30, 2013	Apr. 30, 2012
Business Acquisition [Line Items]
Pro forma adjusted total revenue	$ 163,827	$ 120,648
Pro forma adjusted net loss attributable to Bazaarvoice, Inc.	$ (58,561)	$ (60,152)
Basic and diluted	$ (0.83)	$ (1.81)

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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