Document and Entity Information	6 Months Ended
	Oct. 31, 2012	Nov. 23, 2012
Entity Registrant Name	Bazaarvoice Inc
Entity Central Index Key	0001330421
Document Type	10-Q
Document Period End Date	Oct. 31, 2012
Amendment Flag	false
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--04-30
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		71,452,435