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Business Combinations - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Apr. 30, 2022
Jan. 31, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Oct. 31, 2021
Business Acquisition [Line Items]            
Goodwill $ 3,616,133,000     $ 3,616,133,000   $ 3,575,785,000
Redeemable non-controlling interest 43,516,000     43,516,000   $ 0
Transaction costs 4,000,000   $ 2,300,000 6,100,000 $ 5,900,000  
Series of Individually Immaterial Business Acquisitions            
Business Acquisition [Line Items]            
Consideration transfered   $ 20,000,000        
Identifiable intangibles assets acquired   4,300,000        
Goodwill   15,700,000        
Goodwill, expected tax deductible amount   $ 0        
OpenLight            
Business Acquisition [Line Items]            
Consideration transfered 90,000,000          
Identifiable intangibles assets acquired 94,000,000     94,000,000    
Goodwill 45,100,000     45,100,000    
Goodwill, expected tax deductible amount $ 0     $ 0    
Percentage of equity interests acquired 75.00%     75.00%    
Percentage of equity interests held by non-controlling interest 25.00%     25.00%    
Redeemable noncontrolling interest, redemption value $ 30,000,000     $ 30,000,000    
Redeemable noncontrolling interest, put option value 10,100,000     $ 10,100,000    
Consideration transferred including redeemable noncontrolling interest $ 100,100,000