POST-RETIREMENT BENEFIT PLANS - Fair Value of the Pension Plans Investments (Details) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Sep. 30, 2025	Oct. 31, 2024
Change in plan assets:
Fair value of plan assets at beginning of year	$ 663.4
Fair value of plan assets at end of year	674.8	$ 663.4
Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	640.9	584.0
Actual return on plan assets	38.1	96.9
Expenses paid	(2.9)	(3.2)
Plan participant contributions	0.2	0.2
Foreign currency impact	7.0	8.7
Employer contributions	1.0	3.4
Benefits paid out of plan	(45.0)	(45.3)
Other		(3.8)
Fair value of plan assets at end of year	639.3	640.9
United States | Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	482.8	431.6
Actual return on plan assets	41.6	88.5
Expenses paid	(1.9)	(1.5)
Plan participant contributions	0.0	0.0
Foreign currency impact	0.0	0.0
Employer contributions	0.0	0.0
Benefits paid out of plan	(36.1)	(35.8)
Other		0.0
Fair value of plan assets at end of year	486.4	482.8
Foreign Plan | Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	158.1	152.4
Actual return on plan assets	(3.5)	8.4
Expenses paid	(1.0)	(1.7)
Plan participant contributions	0.2	0.2
Foreign currency impact	7.0	8.7
Employer contributions	1.0	3.4
Benefits paid out of plan	(8.9)	(9.5)
Other		(3.8)
Fair value of plan assets at end of year	$ 152.9	$ 158.1