POST RETIREMENT BENEFIT PLANS (Tables)

9 Months Ended

Jul. 31, 2020

Postemployment Benefits [Abstract]

Components of Net Periodic Pension Cost

The components of net periodic pension cost include the following:

	Three Months Ended July 31,				Nine Months Ended July 31,
(in millions)	2020		2019		2020		2019
Service cost	$	3.6	$	3.8	$	9.6	$	10.1
Interest cost	7.2		8.7		19.4		22.6
Expected return on plan assets	(10.5)		(11.0)		(28.7)		(28.2)
Amortization of prior service cost	3.4		1.8		9.8		5.4
Net periodic pension cost	$	3.7	$	3.3	$	10.1	$	9.9

Components of Net Periodic Cost for Postretirement Benefits

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

	Three Months Ended July 31,				Nine Months Ended July 31,
(in millions)	2020		2019		2020		2019
Interest cost	$	0.1	$	0.1	$	0.3	$	0.3
Amortization of prior service benefit	(0.1)		(0.4)		(0.4)		(1.2)
Net periodic post-retirement benefit	$	—	$	(0.3)	$	(0.1)	$	(0.9)