Pension and other postretirement plans (Tables)

3 Months Ended

Jan. 31, 2023

Retirement Benefits [Abstract]

Components of Net Periodic Benefits Cost

The components of net periodic pension and other postretirement cost for the three months ended January 31, 2023 and 2022 were:

	U.S.				International
Three Months Ended	2023		2022		2023		2022
Service cost	$	2,744	$	5,187	$	275	$	489
Interest cost	4,175		3,583		603		298
Expected return on plan assets	(6,529)		(7,878)		(377)		(393)
Amortization of prior service cost (credit)	—		12		(13)		(18)
Amortization of net actuarial loss	—		2,766		20		607
Total benefit cost	$	390	$	3,670	$	508	$	983

The components of other postretirement benefit costs for the three months ended January 31, 2023 and 2022 were:

	U.S.				International
Three Months Ended	2023		2022		2023		2022
Service cost	$	100	$	195	$	1	$	3
Interest cost	765		488		3		3
Amortization of net actuarial (gain) loss	—		263		(16)		(12)
Total benefit cost (income)	$	865	$	946	$	(12)	$	(6)