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Note 13 - Components of Accumulated Other Comprehensive Income Loss (Details) - USD ($)
$ in Thousands
Nov. 30, 2015
May. 31, 2015
Cumulative foreign currency translation adjustment $ (44,614) $ (39,139)
Change in fair value of cash flow hedges, net of tax (288) (425)
Accumulated other comprehensive loss $ (44,902) $ (39,564)