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Acquisitions and Assets Held for Sale - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 02, 2021
Jan. 19, 2021
Jan. 19, 2021
Jul. 31, 2021
Jul. 31, 2021
Jul. 31, 2020
Feb. 01, 2021
Oct. 31, 2020
Business Acquisition [Line Items]                
Goodwill       $ 2,585,200,000 $ 2,585,200,000     $ 2,447,300,000
Contingent consideration, change in fair value         56,800,000 $ 0    
Equity Interest In Wholly-Owned Subsidiary | Disposal Group, Held-for-sale, Not Discontinued Operations                
Business Acquisition [Line Items]                
Percentage of voting interests sold 50.00%              
Ownership interest retained after sale of business 50.00%              
Asset impairment       $ 0        
Privately-Held Medical Device Company, Developed Mara Water Vapor Ablation System                
Business Acquisition [Line Items]                
Goodwill             $ 0  
Privately-Held Medical Device Company, Spectacle Lenses                
Business Acquisition [Line Items]                
Equity investment gain realized before acquisition of remaining equity interest     $ 11,500,000          
Payments to acquire business   $ 40,900,000            
Contingent consideration   37,900,000 37,900,000          
Contingent consideration paid         0      
Contingent consideration, change in fair value         $ 56,800,000      
Privately-Held Medical Device Company, Spectacle Lenses, Portion Attributable To Former Equity Interest Owners                
Business Acquisition [Line Items]                
Undiscounted range of the contingent consideration, minimum   0 0          
Undiscounted range of the contingent consideration, maximum   139,100,000 139,100,000          
Contingent consideration   $ 30,200,000 $ 30,200,000