Pension and Other Postretirement Plans

6 Months Ended

Apr. 30, 2016

6.	Pension and other postretirement plans

The components of net periodic pension cost for the three and six months ended April 30, 2016 and April 30, 2015 were:

	U.S.						International
Three Months Ended	2016			2015			2016			2015
Service cost	$	2,984		$	3,031		$	719		$	692
Interest cost		4,032			3,841			609			627
Expected return on plan assets		(4,914	)		(4,578	)		(377	)		(395	)
Amortization of prior service cost (credit)		19			30			(24	)		(22	)
Amortization of net actuarial loss		2,314			2,633			471			485
Total benefit cost	$	4,435		$	4,957		$	1,398		$	1,387

	U.S.						International
Six Months Ended	2016			2015			2016			2015
Service cost	$	5,745		$	5,431		$	1,420		$	1,433
Interest cost		7,966			7,523			1,222			1,299
Expected return on plan assets		(9,833	)		(9,158	)		(765	)		(812	)
Amortization of prior service cost (credit)		38			60			(45	)		(46	)
Amortization of net actuarial loss		4,240			4,886			936			1,309
Settlement loss		—			—			—			1,275
Total benefit cost	$	8,156		$	8,742		$	2,768		$	4,458

The components of other postretirement benefit cost for the three and six months ended April 30, 2016 and April 30, 2015 were:

	U.S.						International
Three Months Ended	2016			2015			2016			2015
Service cost	$	176		$	175		$	5		$	7
Interest cost		696			735			6			9
Amortization of prior service credit		(66	)		(109	)		—			—
Amortization of net actuarial (gain) loss		130			280			(7	)		—
Total benefit cost	$	936		$	1,081		$	4		$	16


	U.S.						International
Six Months Ended	2016			2015			2016			2015
Service cost	$	425		$	450		$	8		$	15
Interest cost		1,461			1,488			12			18
Amortization of prior service credit		(133	)		(219	)		—			—
Amortization of net actuarial (gain) loss		342			577			(12	)		—
Total benefit cost	$	2,095		$	2,296		$	8		$	33