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INSURANCE - Insurance Related Balances and Activity (Details) - USD ($)
$ in Millions
Apr. 30, 2022
Oct. 31, 2021
Liability for Claims and Claims Adjustment Expense [Line Items]    
Insurance recoverables $ 66.5 $ 66.5
Insurance claim reserves, excluding medical and dental    
Liability for Claims and Claims Adjustment Expense [Line Items]    
Insurance claim reserves 569.3 574.8
Medical and dental claim reserves    
Liability for Claims and Claims Adjustment Expense [Line Items]    
Insurance claim reserves $ 10.6 $ 9.9