Note 19 - Geographic Breakdown of (Loss) Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
May 31, 2016	May 31, 2015	May 31, 2014
UNITED STATES
(Loss) income before income taxes	$ (71,109)	$ (57,043)	$ (210,354)
Foreign Countries [Member]
(Loss) income before income taxes	9,379	11,919	12,181
(Loss) income before income taxes	$ (61,730)	$ (45,125)	$ (198,173)

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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