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POST-RETIREMENT BENEFIT PLANS - Amounts Recognized in Consolidated Financial Statements - in Consolidated Balance Sheets (Details) - USD ($)
$ in Millions
Oct. 31, 2024
Oct. 31, 2023
Oct. 31, 2022
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]      
Unrecognized net actuarial loss $ 115.1 $ 110.3  
Unrecognized prior service benefit (0.8) (1.1)  
Accumulated other comprehensive loss - pre-tax 114.3 109.2 $ 92.0
Amounts recognized in the consolidated balance sheets consist of:      
Prepaid benefit cost 46.0 36.2  
Accrued benefit liability (59.2) (56.3)  
Accumulated other comprehensive loss - pre-tax 114.3 109.2 $ 92.0
Net amount recognized 101.1 89.1  
United States      
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]      
Unrecognized net actuarial loss 37.4 50.7  
Unrecognized prior service benefit 0.0 (0.2)  
Accumulated other comprehensive loss - pre-tax 37.4 50.5  
Amounts recognized in the consolidated balance sheets consist of:      
Prepaid benefit cost 41.7 22.8  
Accrued benefit liability (28.8) (28.7)  
Accumulated other comprehensive loss - pre-tax 37.4 50.5  
Net amount recognized 50.3 44.6  
Foreign Plan      
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]      
Unrecognized net actuarial loss 77.7 59.6  
Unrecognized prior service benefit (0.8) (0.9)  
Accumulated other comprehensive loss - pre-tax 76.9 58.7  
Amounts recognized in the consolidated balance sheets consist of:      
Prepaid benefit cost 4.3 13.4  
Accrued benefit liability (30.4) (27.6)  
Accumulated other comprehensive loss - pre-tax 76.9 58.7  
Net amount recognized $ 50.8 $ 44.5