Note 12 - Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Aug. 31, 2013

Note 12 - Accumulated Other Comprehensive Loss (Tables) [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	As of
	August 31, 2013			May 31, 2013
Cumulative foreign currency translation adjustment	$	(15,357	)		(16,742	)
Change in fair value of cash flow hedges, net of tax		(855	)		(1,180	)
Accumulated other comprehensive loss	$	(16,212	)		(17,922	)

PreTax, Tax, and After Tax [Member]

Note 12 - Accumulated Other Comprehensive Loss (Tables) [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Pretax			Tax			After Tax
Three Months Ended August 31, 2013
Foreign exchange translation adjustment	$	1,385			-			1,385
Changes in fair value of cash flow hedges		518			193			325
	$	1,903			193			1,710
Three Months Ended August 31, 2012
Foreign exchange translation adjustment	$	3,495			-			3,495
Changes in fair value of cash flow hedges		(345	)		(92	)		(253	)
	$	3,150			(92	)		3,242