XML 45 R33.htm IDEA: XBRL DOCUMENT v3.24.2.u1
RESTRUCTURING CHARGES - Reconciliation of Beginning and Ending Restructuring Reserve Balances (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2024
Jul. 31, 2023
Restructuring Reserve [Roll Forward]        
Restructuring reserve, beginning balance     $ 16.8  
Costs incurred and charged to expense $ 2.7 $ 8.7 1.6 $ 13.5
Costs paid or otherwise settled     (12.9)  
Restructuring reserve, ending balance 5.5   5.5  
Employee Separation Costs        
Restructuring Reserve [Roll Forward]        
Restructuring reserve, beginning balance     16.4  
Costs incurred and charged to expense 1.8   5.1  
Costs paid or otherwise settled     (7.9)  
Restructuring reserve, ending balance 4.6   4.6  
Restructuring costs     (3.9)  
Other Costs        
Restructuring Reserve [Roll Forward]        
Restructuring reserve, beginning balance     0.4  
Costs incurred and charged to expense 0.9   5.5  
Costs paid or otherwise settled     (5.0)  
Restructuring reserve, ending balance $ 0.9   $ 0.9