Basis of Presentation (Tables)

3 Months Ended

Aug. 31, 2015

Accounting Policies [Abstract]

Fair Value of Foreign Exchange Forward Contracts

The fair value of our foreign exchange forward contracts in the consolidated balance sheets is shown in the table below:

Derivatives Not Designated as Hedging Instruments	Consolidated Balance Sheet Location	August 31, 2015		May 31, 2015
Foreign exchange forward contracts	Other assets	$	10	$	(16	)

Losses Recognized in Income for Derivative Instruments

The table below provides data about the amount of gains and losses recognized in income for derivative instruments not designated as hedging instruments:

Derivatives Not Designated as Hedging Instruments	Location of Gain/(Loss) Recognized in Income on Derivatives	Three Months Ended August 31, 2015		Three Months Ended August 31, 2014
Foreign exchange forward contracts	SG&A expenses	$	28	$	127

Summary of Other Assets

Other assets consisted of the following:

	August 31, 2015		May 31, 2015
Net investment in sales-type leases	$	5,545	$	5,876
Prepaid expenses and other	4,584		4,265
SERP	3,218		3,521
Demonstration equipment	240		81
	$	13,587	$	13,743