Basis of Presentation (Tables)

9 Months Ended

Feb. 29, 2016

Accounting Policies [Abstract]

Fair Value of Foreign Exchange Forward Contracts

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

Derivatives Not Designated as Hedging Instruments	Consolidated Balance Sheet Location	February 29, 2016			May 31, 2015
Foreign exchange forward contracts	Accrued Expenses	$	(18	)	$	(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 February 29, 2016			Three Months Ended February 28, 2015
Foreign exchange forward contracts	SG&A expenses	$	(4	)	$	149

Derivatives Not Designated as Hedging Instruments	Location of Gain/(Loss) Recognized in Income on Derivatives	Nine Months Ended February 29, 2016		Nine Months Ended February 28, 2015
Foreign exchange forward contracts	SG&A expenses	$	201	$	659

Summary of Other Assets

Other assets consisted of the following:

	February 29, 2016		May 31, 2015
Income taxes receivable	$	7,213	$	—
Demonstration equipment	5,207		81
Net investment in sales-type leases	3,700		5,876
Prepaid expenses and other	3,370		4,265
SERP	3,057		3,521
	$	22,547	$	13,743