Fair Value Measurements (Tables)

3 Months Ended

Aug. 31, 2013

Assets and Liabilities Measured at Fair Value on Recurring Basis

Our assets measured at fair value on a recurring basis were determined as follows:

	At August 31, 2013
	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Balance
Assets
Money market funds	$	14	$	—	$	—	$	14
SERP
Money market fund		113		—		—		113
Mutual funds		2,806		—		—		2,806
Foreign exchange forward contracts		—		85		—		85
Total assets measured at fair value	$	2,933	$	85	$	—	$	3,018

	At May 31, 2013
	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Balance
Assets
Money market funds	$	14	$	—	$	—	$	14
SERP
Money market fund		113		—		—		113
Mutual funds		2,834		—		—		2,834
Foreign exchange forward contracts		—		114		—		114
Total assets measured at fair value	$	2,961	$	114	$	—	$	3,075