Fair Value Measurements (Tables)

6 Months Ended

Nov. 30, 2013

Fair Value of Assets and Liabilities Measured On Recurring Basis

The following table sets forth, by level within the fair value hierarchy, our financial assets and liabilities that are accounted for at fair value on a recurring basis as of November 30, 2013. As required by ASC 820, financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement (in thousands):

	May 31, 2013
	Quoted Prices in Active Markets for Identical Items (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Liabilities:
Contingent consideration	$	—	$	—	$	2,047	$	2,047
Euro denominated long-term debt		—		2,004		—		2,004
Total liabilities	$		$	2,004	$	2,047	$	4,051

	November 30, 2013
	(unaudited)
	Quoted Prices in Active Markets for Identical Items (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Liabilities:
Contingent consideration	$	—	$	—	$	2,059	$	2,059
Euro denominated long-term debt		—		1,242		—		1,242
Total liabilities	$		$	1,242	$	2,059	$	3,301