Benefit Plans (Tables)

6 Months Ended

May 31, 2016

U.S Pension Plan [Member]

Item Effected [Line Items]

Components of Net Periodic Pension (Benefit) Cost

The components of net periodic pension cost (income) for our pension plans are as follows (in thousands):

	Three Months Ended May 31,						Six Months Ended May 31,
U.S. Pension Plan	2016			2015			2016			2015
Components of net periodic pension cost (income):
Service cost	$	100		$	63		$	200		$	126
Interest cost on projected benefit obligation	587			585			1,174			1,170
Expected return on plan assets	(684		)	(848		)	(1,460		)	(1,696		)
Net periodic pension cost (income)	$	3		$	(200	)	$	(86	)	$	(400	)

German Pension Plan [Member]

Item Effected [Line Items]

Components of Net Periodic Pension (Benefit) Cost

	Three Months Ended May 31,				Six Months Ended May 31,
German Pension Plan	2016		2015		2016		2015
Components of net periodic pension cost:
Interest cost on projected benefit obligation	$	135	$	127	$	265	$	263
Net amortization	83		79		163		163
Net periodic pension cost	$	218	$	206	$	428	$	426