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POST-RETIREMENT BENEFIT PLANS - Fair Value Measurements for Pension Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Oct. 31, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category $ 674.8 $ 663.4
Payables net, related to investments 35.5 22.5
Total    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 321.1 295.8
Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 39.1 46.9
Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 282.0 248.9
Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 0.0 0.0
Mutual funds | Total    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 34.5 40.1
Mutual funds | Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 34.4 40.0
Mutual funds | Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 0.1 0.1
Mutual funds | Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 0.0 0.0
Cash | Total    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 4.7 6.9
Cash | Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 4.7 6.9
Cash | Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 0.0 0.0
Cash | Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 0.0 0.0
Corporate bonds | Total    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 174.0 164.5
Corporate bonds | Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 0.0 0.0
Corporate bonds | Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 174.0 164.5
Corporate bonds | Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 0.0 0.0
Corporate bonds | Investments Measured at Net Asset Value    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 123.7 116.9
Government bonds | Total    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 103.1 80.1
Government bonds | Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 0.0 0.0
Government bonds | Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 103.1 80.1
Government bonds | Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 0.0 0.0
Other assets | Total    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 4.8 4.2
Other assets | Level 1    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 0.0 0.0
Other assets | Level 2    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 4.8 4.2
Other assets | Level 3    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 0.0 0.0
Insurance contracts | Investments Measured at Net Asset Value    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category 148.3 153.6
Common stock | Investments Measured at Net Asset Value    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Asset Category $ 81.7 $ 97.1