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Acquisitions (Detail) - USD ($)
$ in Thousands
 9 Months Ended
Nov. 01, 2021
Jul. 31, 2022
Jul. 31, 2021
Oct. 31, 2021
Business Acquisition [Line Items]        
Acquisition of businesses, net of cash acquired   $ 171,613 $ 0  
Goodwill   $ 1,813,234   $ 1,713,148
NDC        
Business Acquisition [Line Items]        
Acquired percent of the outstanding shares 100.00%      
Acquisition of businesses, net of cash acquired $ 171,613      
Cash acquired from business acquisition 7,533      
Other working capital adjustments 2,763      
Goodwill 129,856      
Identifiable intangible assets 31,130      
Goodwill, expected tax deductible amount 73,300      
NDC | Trade name        
Business Acquisition [Line Items]        
Identifiable intangible assets $ 10,800      
Intangible assets amortization period 13 years      
NDC | Technology-Based Intangible Assets        
Business Acquisition [Line Items]        
Identifiable intangible assets $ 10,000      
Intangible assets amortization period 7 years      
NDC | Customer relationships        
Business Acquisition [Line Items]        
Identifiable intangible assets $ 9,500      
Intangible assets amortization period 4 years      
NDC | Non-compete agreements        
Business Acquisition [Line Items]        
Identifiable intangible assets $ 830      
Intangible assets amortization period 3 years