Basis of Presentation (Tables)

9 Months Ended

Feb. 28, 2013

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	February 28, 2013		May 31, 2012
Foreign exchange forward contracts	Other assets	$	71	$	179

Gains and Losses Recognized in Income for Derivative Instruments

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

Derivatives Not Designated as Hedging Instruments	Location of (Loss) Gain Recognized in Income on Derivatives	Three Months Ended February 28, 2013			Three Months Ended February 29, 2012
Foreign exchange forward contracts	Selling, general and administrative expenses	$	(64	)	$	(29	)

Derivatives Not Designated as Hedging Instruments	Location of (Loss) Gain Recognized in Income on Derivatives	Nine Months Ended February 28, 2013			Nine Months Ended February 29, 2012
Foreign exchange forward contracts	Selling, general and administrative expenses	$	(454	)	$	212

Summary of Other Assets

Other assets consisted of the following:

	February 28, 2013		May 31, 2012
Net investment in sales-type leases	$	10,985	$	11,681
Demonstration equipment		6,005		5,495
Supplemental executive retirement plan assets		2,932		2,370
Income taxes receivable		916		861
Prepaid expenses and other		2,823		2,865
	$	23,661	$	23,272