POST-RETIREMENT BENEFIT PLANS - Benefit Obligations in Excess of Plan Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Plan assets	$ 674.8	$ 663.4
Pension Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Projected benefit obligation	634.4	654.1	$ 604.1
Accumulated benefit obligation	632.0	640.1
Plan assets	639.3	640.9	584.0
Accumulated benefit obligation	110.8	109.4
Plan assets	52.8	51.7
Pension Plan | United States
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Projected benefit obligation	455.3	469.9	437.5
Accumulated benefit obligation	454.0	457.4
Plan assets	486.4	482.8	431.6
Accumulated benefit obligation	28.5	28.8
Plan assets	0.0	0.0
Pension Plan | Foreign Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Projected benefit obligation	179.1	184.2	166.6
Accumulated benefit obligation	178.0	182.7
Plan assets	152.9	158.1	$ 152.4
Accumulated benefit obligation	82.3	80.6
Plan assets	$ 52.8	$ 51.7