POST-RETIREMENT BENEFIT PLANS - Amounts Recognized in Consolidated Financial Statements - in Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Unrecognized net actuarial loss	$ 93.4	$ 87.2
Unrecognized prior service credit	(1.4)	(2.0)
Accumulated other comprehensive loss - Pre-tax	92.0	85.2	$ 150.6
Amounts recognized in the Consolidated Balance Sheets consist of:
Prepaid benefit cost	30.8	39.9
Accrued benefit liability	(58.0)	(78.3)
Accumulated other comprehensive loss - Pre-tax	92.0	85.2	$ 150.6
Net amount recognized	64.8	46.8
United States
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Unrecognized net actuarial loss	41.0	29.9
Unrecognized prior service credit	(0.4)	(0.7)
Accumulated other comprehensive loss - Pre-tax	40.6	29.2
Amounts recognized in the Consolidated Balance Sheets consist of:
Prepaid benefit cost	11.7	2.7
Accrued benefit liability	(30.8)	(35.5)
Accumulated other comprehensive loss - Pre-tax	40.6	29.2
Net amount recognized	21.5	(3.6)
Germany
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Unrecognized net actuarial loss	2.3	11.9
Unrecognized prior service credit	0.0	0.0
Accumulated other comprehensive loss - Pre-tax	2.3	11.9
Amounts recognized in the Consolidated Balance Sheets consist of:
Prepaid benefit cost	0.0	0.0
Accrued benefit liability	(25.9)	(39.3)
Accumulated other comprehensive loss - Pre-tax	2.3	11.9
Net amount recognized	(23.6)	(27.4)
United Kingdom
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Unrecognized net actuarial loss	43.2	36.2
Unrecognized prior service credit	0.0	0.0
Accumulated other comprehensive loss - Pre-tax	43.2	36.2
Amounts recognized in the Consolidated Balance Sheets consist of:
Prepaid benefit cost	15.8	31.1
Accrued benefit liability	0.0	0.0
Accumulated other comprehensive loss - Pre-tax	43.2	36.2
Net amount recognized	59.0	67.3
Netherlands
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Unrecognized net actuarial loss	3.9	4.4
Unrecognized prior service credit	(1.0)	(1.3)
Accumulated other comprehensive loss - Pre-tax	2.9	3.1
Amounts recognized in the Consolidated Balance Sheets consist of:
Prepaid benefit cost	0.0	2.0
Accrued benefit liability	(1.3)	0.0
Accumulated other comprehensive loss - Pre-tax	2.9	3.1
Net amount recognized	1.6	5.1
Other International
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]
Unrecognized net actuarial loss	3.0	4.8
Unrecognized prior service credit	0.0	0.0
Accumulated other comprehensive loss - Pre-tax	3.0	4.8
Amounts recognized in the Consolidated Balance Sheets consist of:
Prepaid benefit cost	3.3	4.1
Accrued benefit liability	0.0	(3.5)
Accumulated other comprehensive loss - Pre-tax	3.0	4.8
Net amount recognized	$ 6.3	$ 5.4