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Commitments And Contingencies (Details) - USD ($)
3 Months Ended 6 Months Ended
Apr. 03, 2017
Sep. 07, 2016
Mar. 15, 2016
Mar. 31, 2017
Mar. 31, 2017
Loss Contingencies [Line Items]          
Product warranty period         1 year
Loss Contingency Accrual       $ 7,000,000 $ 7,000,000
Loss Contingency Accrual, Period Increase (Decrease)       (100,000)  
Radware, Ltd. and Radware, Inc. Patent Infringement Complaint [Member] | Pending Litigation [Member]          
Loss Contingencies [Line Items]          
Litigation Settlement, Amount   $ (6,870,978.95) $ (6,400,000)    
Loss Contingency Accrual       $ 192,000 $ 192,000
F5 Counterclaim of Radware, Ltd. and Radware, Inc. Patent Infringement Complaint [Member] | Pending Litigation [Member]          
Loss Contingencies [Line Items]          
Litigation Settlement, Amount   $ 40,000      
Subsequent Event [Member] | Radware, Ltd. and Radware, Inc. Patent Infringement Complaint [Member] | Pending Litigation [Member]          
Loss Contingencies [Line Items]          
Security Posted to Stay Execution of Judgment Pending Appeal $ 6,895,391