RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS- Components of net periodic costs (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Curtailments and Settlements
Settlement gain (loss)	$ 5.0	$ 32.0
Pensions (U.S. Plans)
Defined Benefit Plan, Net Periodic Benefit Cost
Service cost - benefits earned during the period	0.0	0.0
Interest cost on benefit obligation	4.0	3.0
Expected return on plan assets	(7.0)	(6.0)
Amortization:
Actuarial losses	0.0	1.0
Prior service cost	0.0	0.0
Total net plan costs	(3.0)	(2.0)
Pensions (Non-U.S. Plans)
Defined Benefit Plan, Net Periodic Benefit Cost
Service cost - benefits earned during the period	6.0	4.0
Interest cost on benefit obligation	3.0	3.0
Expected return on plan assets	(11.0)	(10.0)
Amortization:
Actuarial losses	7.0	9.0
Prior service cost	0.0	0.0
Total net plan costs	5.0	6.0
Curtailments and Settlements
Settlement gain (loss)	5.2	32.0
United States Post-retirement Benefit Plan
Defined Benefit Plan, Net Periodic Benefit Cost
Service cost - benefits earned during the period	0.0	0.0
Interest cost on benefit obligation	1.0	1.0
Expected return on plan assets	(2.0)	(2.0)
Amortization:
Actuarial losses	2.0	3.0
Prior service cost	(2.0)	(2.0)
Total net plan costs	$ (1.0)	$ 0.0