| Component: (Network and Table) | |
|---|---|
| Network | 2408404 - Disclosure - Segment Information - Schedule of Long Lived Asset (Detail) (http://www.barracuda.com/role/SegmentInformationScheduleOfLongLivedAssetDetail) |
| Table | Schedule of Revenues from External Customers and Long-Lived Assets [Table] |
| Reporting Entity [Axis] | 0001348334 (http://www.sec.gov/CIK) |
| Revenues from External Customers and Long-Lived Assets [Line Items] | Period [Axis] | |||||
|---|---|---|---|---|---|---|
2016-02-29 | 2015-02-28 | |||||
| Geographical [Axis] | Geographical [Axis] | |||||
| United States | International | Geographical [Domain] | United States | International | Geographical [Domain] | |
Long Lived Assets | ||||||