Benefit Plans (Tables)

9 Months Ended

Aug. 31, 2015

Item Effected [Line Items]

Components of Net Periodic Pension (Benefit) Cost

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

	Three Months Ended August 31,						Nine Months Ended August 31,
U.S. Pension Plan	2015			2014			2015			2014
Components of net periodic pension (income) cost:
Service cost	$	63		$	56		$	189		$	168
Interest cost on projected benefit obligation	585			607			1,755			1,821
Expected return on plan assets	(848		)	(789		)	(2,544		)	(2,367		)
Net amortization	—			(36		)	—			(108		)
Net periodic pension income	$	(200	)	$	(162	)	$	(600	)	$	(486	)

German Pension Plan [Member]

Item Effected [Line Items]

Components of Net Periodic Pension (Benefit) Cost

	Three Months Ended August 31,				Nine Months Ended August 31,
German Pension Plan	2015		2014		2015		2014
Components of net periodic pension cost:
Service cost	$	—	$	11	$	—	$	33
Interest cost on projected benefit obligation	132		216		395		658
Net amortization	82		61		245		186
Net periodic pension cost	$	214	$	288	$	640	$	877