v3.26.1
Stockholders' Equity - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) Income (Details) - USD ($)
$ in Millions
 6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance $ 8,239.1 $ 8,083.6
Gross change in value 42.1 22.5
Tax effect 1.2 6.9
Ending balance 8,239.1 8,288.1
Total    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (406.5) (421.7)
Ending balance (363.2) (392.3)
Foreign Currency Translation Adjustment    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (426.2) (461.7)
Gross change in value 46.9 51.0
Tax effect 0.0 0.0
Ending balance (379.3) (410.7)
Minimum Pension Liability    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance 1.7 (4.9)
Gross change in value 0.0 0.0
Tax effect 0.0 0.0
Ending balance 1.7 (4.9)
Derivative Instruments    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance 18.0 44.9
Gross change in value (4.8) (28.5)
Tax effect 1.2 6.9
Ending balance $ 14.4 $ 23.3