Pension and Other Postretirement Plans

3 Months Ended

Jan. 31, 2017

Compensation And Retirement Disclosure [Abstract]

Pension and Other Postretirement Plans

7. Pension and other postretirement plans  

The components of net periodic pension cost for the three months ended January 31, 2017 and January 31, 2016 were:

	U.S.						International
Three Months Ended	2017			2016			2017			2016
Service cost	$	3,058		$	2,761		$	534		$	701
Interest cost		3,211			3,934			348			613
Expected return on plan assets		(5,177	)		(4,919	)		(285	)		(387	)
Amortization of prior service cost (credit)		12			19			(70	)		(22	)
Amortization of net actuarial loss		2,327			1,926			599			465
Total benefit cost	$	3,431		$	3,721		$	1,126		$	1,370

The components of other postretirement benefit cost for the three months ended January 31, 2017 and January 31, 2016 were:

	U.S.						International
Three Months Ended	2017			2016			2017			2016
Service cost	$	221		$	248		$	5		$	4
Interest cost		587			765			5			6
Amortization of prior service credit		(41	)		(66	)		—			—
Amortization of net actuarial (gain) loss		229			212			(4	)		(6	)
Total benefit cost	$	996		$	1,159		$	6		$	4