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Redeemable Non-controlling Interest - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Apr. 30, 2022
Apr. 30, 2023
Oct. 31, 2022
Noncontrolling Interest [Line Items]      
Redeemable non-controlling interest   $ 35,877,000 $ 38,664,000
OpenLight      
Noncontrolling Interest [Line Items]      
Percent of company acquired 75.00%    
Payment to acquire business $ 90,000,000    
Redeemable noncontrolling interest, redemption value 30,000,000    
Redeemable noncontrolling interest, put option value 10,100,000    
Consideration transferred including redeemable noncontrolling interest $ 100,100,000    
Current ownership percentage   73.00%  
Net loss incurred by OpenLight   $ 21,000,000  
Net loss, attributable to redeemable non-controlling interest   5,200,000  
Redeemable non-controlling interest   $ 35,900,000  
OpenLight | Juniper Networks, Inc      
Noncontrolling Interest [Line Items]      
Percent of equity interests held by non-controlling interest 25.00%