Pension and Other Postretirement Plans

6 Months Ended

Apr. 30, 2015

Compensation And Retirement Disclosure [Abstract]

Pension and Other Postretirement Plans

5. Pension and other postretirement plans  

The components of net periodic pension cost for the three and six months ended April 30, 2015 and April 30, 2014 were:

	U.S.						International
Three Months Ended	2015			2014			2015			2014
Service cost	$	3,031		$	1,874		$	692		$	714
Interest cost		3,841			3,545			627			817
Expected return on plan assets		(4,578	)		(4,487	)		(395	)		(448	)
Amortization of prior service cost (credit)		30			59			(22	)		(20	)
Amortization of net actuarial loss		2,633			1,784			485			399
Total benefit cost	$	4,957		$	2,775		$	1,387		$	1,462
	U.S.						International
Six Months Ended	2015			2014			2015			2014
Service cost	$	5,431		$	4,036		$	1,433		$	1,412
Interest cost		7,523			6,960			1,299			1,608
Expected return on plan assets		(9,158	)		(8,648	)		(812	)		(880	)
Amortization of prior service cost (credit)		60			118			(46	)		(39	)
Amortization of net actuarial loss		4,886			3,970			1,309			787
Settlement loss		—			—			1,275			—
Total benefit cost	$	8,742		$	6,436		$	4,458		$	2,888

The components of other postretirement benefit cost for the three and six months ended April 30, 2015 and April 30, 2014 were:

	U.S.						International
Three Months Ended	2015			2014			2015		2014
Service cost	$	175		$	265		$	7	$	7
Interest cost		735			802			9		9
Amortization of prior service credit		(109	)		(112	)		—		—
Amortization of net actuarial loss		280			419			—		(3	)
Total benefit cost	$	1,081		$	1,374		$	16	$	13
	U.S.						International
Six Months Ended	2015			2014			2015		2014
Service cost	$	450		$	518		$	15	$	14
Interest cost		1,488			1,531			18		19
Amortization of prior service credit		(219	)		(224	)		—		—
Amortization of net actuarial loss		577			717			—		(7	)
Total benefit cost	$	2,296		$	2,542		$	33	$	26