Pension and Other Postretirement Plans

9 Months Ended

Jul. 31, 2016

Compensation And Retirement Disclosure [Abstract]

Pension and Other Postretirement Plans

6. Pension and other postretirement plans  

The components of net periodic pension cost for the three and nine months ended July 31, 2016 and July 31, 2015 were:

	U.S.						International
Three Months Ended	2016			2015			2016			2015
Service cost	$	2,873		$	2,716		$	723		$	697
Interest cost		3,983			3,761			600			641
Expected return on plan assets		(4,917	)		(4,579	)		(368	)		(405	)
Amortization of prior service cost (credit)		19			30			(25	)		(22	)
Amortization of net actuarial loss		2,120			2,443			468			492
Total benefit cost	$	4,078		$	4,371		$	1,398		$	1,403
	U.S.						International
Nine Months Ended	2016			2015			2016			2015
Service cost	$	8,618		$	8,147		$	2,143		$	2,130
Interest cost		11,949			11,284			1,822			1,940
Expected return on plan assets		(14,750	)		(13,737	)		(1,133	)		(1,217	)
Amortization of prior service cost (credit)		57			90			(70	)		(68	)
Amortization of net actuarial loss		6,360			7,329			1,404			1,801
Settlement loss		—			—			—			1,275
Total benefit cost	$	12,234		$	13,113		$	4,166		$	5,861

The components of other postretirement benefit cost for the three and nine months ended July 31, 2016 and July 31, 2015 were:

	U.S.						International
Three Months Ended	2016			2015			2016			2015
Service cost	$	212		$	225		$	4		$	7
Interest cost		731			744			5			9
Amortization of prior service credit		(67	)		(110	)		—			—
Amortization of net actuarial (gain) loss		171			289			(6	)		—
Total benefit cost	$	1,047		$	1,148		$	3		$	16
	U.S.						International
Nine Months Ended	2016			2015			2016			2015
Service cost	$	637		$	675		$	12		$	22
Interest cost		2,192			2,232			17			27
Amortization of prior service credit		(201	)		(329	)		—			—
Amortization of net actuarial (gain) loss		514			866			(18	)		—
Total benefit cost	$	3,142		$	3,444		$	11		$	49