POST-RETIREMENT BENEFIT PLANS - Fair Value of the Pension Plans Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Change in plan assets:
Fair value of plan assets at beginning of year	$ 1,002.1
Fair value of plan assets at end of year	950.8	$ 1,002.1
Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	1,002.1	1,017.0
Actual return on plan assets	77.1	65.4
Expenses paid	(3.1)	(3.4)
Plan participant contributions	0.2	0.2
Foreign currency impact	12.5	6.4
Employer contributions	17.8	22.4
Benefits paid out of plan	(155.8)	(105.9)
Fair value of plan assets at end of year	950.8	1,002.1
United States | Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	687.0	698.7
Actual return on plan assets	88.4	62.2
Expenses paid	(2.3)	(2.6)
Plan participant contributions	0.0	0.0
Foreign currency impact	0.0	0.0
Employer contributions	14.0	21.0
Benefits paid out of plan	(140.7)	(92.3)
Fair value of plan assets at end of year	646.4	687.0
Germany | Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	0.0	0.0
Actual return on plan assets	0.0	0.0
Expenses paid	0.0	0.0
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	0.0	0.0
Fair value of plan assets at end of year	0.0	0.0
United Kingdom | Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	210.0	209.8
Actual return on plan assets	(9.8)	4.6
Expenses paid	(0.9)	(0.9)
Plan participant contributions	0.0	0.0
Foreign currency impact	12.4	1.9
Employer contributions	2.7	2.4
Benefits paid out of plan	(9.0)	(7.8)
Fair value of plan assets at end of year	205.4	210.0
Netherlands | Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	92.0	94.5
Actual return on plan assets	(3.1)	(2.1)
Expenses paid	0.2	0.2
Plan participant contributions	0.2	0.2
Foreign currency impact	(0.9)	5.0
Employer contributions	1.1	(1.0)
Benefits paid out of plan	(5.0)	(4.8)
Fair value of plan assets at end of year	84.5	92.0
Other International | Pension Plan
Change in plan assets:
Fair value of plan assets at beginning of year	13.1	14.0
Actual return on plan assets	1.6	0.7
Expenses paid	(0.1)	(0.1)
Plan participant contributions	0.0	0.0
Foreign currency impact	1.0	(0.5)
Employer contributions	0.0	0.0
Benefits paid out of plan	(1.1)	(1.0)
Fair value of plan assets at end of year	$ 14.5	$ 13.1