POST-RETIREMENT BENEFIT PLANS - Fair Value Measurements for Pension Assets (Details) - USD ($) $ in Millions	Oct. 31, 2021	Oct. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total Assets in the Fair Value Hierarchy	$ 512.2	$ 440.9
Assets in the Fair Value Hierarchy	950.8	1,002.1
Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total Assets in the Fair Value Hierarchy	109.7	33.3
Assets in the Fair Value Hierarchy	109.7	33.3
Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total Assets in the Fair Value Hierarchy	402.5	407.6
Assets in the Fair Value Hierarchy	402.5	407.6
Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total Assets in the Fair Value Hierarchy	0.0	0.0
Assets in the Fair Value Hierarchy	0.0	0.0
Mutual funds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	215.9	131.6
Mutual funds | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	87.4	9.2
Mutual funds | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	128.5	122.4
Mutual funds | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	0.0	0.0
Mutual funds | Investments Measured at Net Asset Value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investments Measured at Net Asset Value		0.5
Insurance contracts | Investments Measured at Net Asset Value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investments Measured at Net Asset Value	122.9	132.9
Common stock
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	6.6	9.3
Common stock | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	6.6	9.3
Common stock | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	0.0	0.0
Common stock | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	0.0	0.0
Common stock | Investments Measured at Net Asset Value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investments Measured at Net Asset Value	94.2	215.4
Cash
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	15.7	14.8
Cash | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	15.7	14.8
Cash | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	0.0	0.0
Cash | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	0.0	0.0
Corporate bonds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	228.5	250.3
Corporate bonds | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	0.0	0.0
Corporate bonds | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	228.5	250.3
Corporate bonds | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	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]
Investments Measured at Net Asset Value	209.2	203.1
Government bonds
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	44.5	34.2
Government bonds | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	0.0	0.0
Government bonds | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	44.5	34.2
Government bonds | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	0.0	0.0
Government bonds | Investments Measured at Net Asset Value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investments Measured at Net Asset Value	12.3	9.3
Other assets
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	1.0	0.7
Other assets | Level 1
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	0.0	0.0
Other assets | Level 2
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	1.0	0.7
Other assets | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount	$ 0.0	$ 0.0