Pension and Other Postretirement Plans

3 Months Ended

Jan. 31, 2018

6.	Pension and other postretirement plans

The components of net periodic pension cost for the three months ended January 31, 2018 and January 31, 2017 were:

	U.S.						International
Three Months Ended	2018			2017			2018			2017
Service cost	$	3,821		$	3,058		$	510		$	534
Interest cost		3,500			3,211			410			348
Expected return on plan assets		(5,491	)		(5,177	)		(380	)		(285	)
Amortization of prior service cost (credit)		(8	)		12			(80	)		(70	)
Amortization of net actuarial loss		2,156			2,327			529			599
Total benefit cost	$	3,978		$	3,431		$	989		$	1,126

The components of other postretirement benefit cost for the three months ended January 31, 2018 and January 31, 2017 were:

	U.S.						International
Three Months Ended	2018			2017			2018			2017
Service cost	$	221		$	221		$	5		$	5
Interest cost		628			587			5			5
Amortization of prior service cost (credit)		(25	)		(41	)		—			—
Amortization of net actuarial (gain) loss		249			229			(5	)		(4	)
Total benefit cost	$	1,073		$	996		$	5		$	6