| Component: (Network and Table) | |
|---|---|
| Network | 2403406 - Disclosure - Goodwill And Intangible Assets (Schedule Of Estimated Future Amortization Of Intangible Assets) (Details) (http://www.brocade.com/role/GoodwillAndIntangibleAssetsScheduleOfEstimatedFutureAmortizationOfIntangibleAssetsDetails)  | 
| Table | (Implied) | 
| Reporting Entity [Axis] | 0001009626 (http://www.sec.gov/CIK) | 
| Finite-Lived Intangible Assets, Future Amortization Expense [Abstract] | Period [Axis] | 
|---|---|
2011-10-30 - 2012-10-27  | |
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]  | |
2013  | 93,109,000    | 
2014  | 16,156,000    | 
Total  | 109,265,000    |