Document and Entity Information - shares |
3 Months Ended | |
|---|---|---|
May 31, 2016 |
Jun. 30, 2016 |
|
| Document And Entity Information [Abstract] | ||
| Document Type | 10-Q | |
| Amendment Flag | false | |
| Document Period End Date | May 31, 2016 | |
| Document Fiscal Year Focus | 2017 | |
| Document Fiscal Period Focus | Q1 | |
| Trading Symbol | CUDA | |
| Entity Registrant Name | BARRACUDA NETWORKS INC | |
| Entity Central Index Key | 0001348334 | |
| Current Fiscal Year End Date | --02-28 | |
| Entity Filer Category | Accelerated Filer | |
| Entity Common Stock, Shares Outstanding | 52,127,092 |