POST RETIREMENT BENEFIT PLANS (Tables)

6 Months Ended

Apr. 30, 2020

Postemployment Benefits [Abstract]

Components of Net Periodic Pension Cost

The components of net periodic pension cost include the following:

	Three Months Ended April 30,				Six Months Ended April 30,
(in millions)	2020		2019		2020		2019
Service cost	$	2.8	$	3.8	$	6.0	$	6.3
Interest cost	5.6		8.7		12.2		13.9
Expected return on plan assets	(7.9)		(6.2)		(18.2)		(12.4)
Amortization of prior service cost (benefit)	2.9		(3.0)		6.4		(1.2)
Net periodic pension cost	$	3.4	$	3.3	$	6.4	$	6.6

Components of Net Periodic Cost for Postretirement Benefits

The components of net periodic post-retirement benefit include the following:

	Three Months Ended April 30,				Six Months Ended April 30,
(in millions)	2020		2019		2020		2019
Interest cost	$	0.1	$	0.1	$	0.2	$	0.2
Amortization of prior service benefit	(0.2)		(0.4)		(0.3)		(0.8)
Net periodic post-retirement benefit	$	(0.1)	$	(0.3)	$	(0.1)	$	(0.6)