Note 18 - Income Taxes (Details) - Geographic Breakdown of (Loss) Income Before Income Taxes (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
	Aug. 19, 2011	May 31, 2012	May 31, 2014	May 31, 2013
Note 18 - Income Taxes (Details) - Geographic Breakdown of (Loss) Income Before Income Taxes [Line Items]
(Loss) Income Before Income Taxes	$ (3,693)	$ (81,193)	$ (198,173)	$ (63,708)
UNITED STATES
Note 18 - Income Taxes (Details) - Geographic Breakdown of (Loss) Income Before Income Taxes [Line Items]
(Loss) Income Before Income Taxes	(10,820)	(69,012)	(210,354)	(74,451)
Foreign Countries [Member]
Note 18 - Income Taxes (Details) - Geographic Breakdown of (Loss) Income Before Income Taxes [Line Items]
(Loss) Income Before Income Taxes	$ 7,127	$ (12,181)	$ 12,181	$ 10,743