Consolidated Statements of Comprehensive Loss (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2014	Feb. 28, 2013
NET LOSS	$ (7,355)	$ (5,913)	$ (15,902)	$ (26,947)
OTHER COMPREHENSIVE INCOME (LOSS), net of tax:
Foreign currency translation adjustment	476	(2,478)	5,023	3,563
Changes in fair value of cash flow hedges:
Portion of cash flow hedges recognized in other comprehensive income	109	231	254	(122)
OTHER COMPREHENSIVE INCOME (LOSS)	585	(2,247)	5,277	3,441
COMPREHENSIVE LOSS	$ (6,770)	$ (8,160)	$ (10,625)	$ (23,506)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

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