Note 13 - Other Long-term Liabilities (Tables)

12 Months Ended

May 31, 2014

Other Liabilities and Financial Instruments Subject to Mandatory Redemption [Abstract]

Schedule of Other Assets and Other Liabilities [Table Text Block]

	As of May 31
	2014		2013
Unrecognized tax benefits	$	10,399		10,178
Contingent consideration liability		11,300		-
Severance indemnity for employees		1,384		1,222
Interest rate swap liability		626		1,057
Deferred leasehold improvement incentive		124		115
Other long-term liabilities	$	23,833		12,572