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Income Taxes (Details 1) - USD ($) $ in Thousands	3 Months Ended							6 Months Ended		9 Months Ended		12 Months Ended
	Feb. 29, 2016	Nov. 30, 2015	Aug. 31, 2015	May 31, 2015	Feb. 28, 2015	Nov. 30, 2014	Aug. 31, 2014	Nov. 30, 2015	Nov. 30, 2014	Feb. 29, 2016	Feb. 28, 2015	May 31, 2016	May 31, 2015	May 31, 2014	May 31, 2013	May 31, 2012
Current
Federal												$ 34	$ (242)	$ (133)
State and local												103	205	99
Non U.S.												217	417	157
Current, Total												354	380	123
Deferred												39,983	(5,123)	2,716
Income tax expense/(benefit), Total	$ 351	$ (337)	$ 70	$ 740	$ (7,599)	$ 1,304	$ 812	$ (267)	$ 2,116	$ 84	$ (5,483)	$ 40,337	$ (4,743)	$ 2,839	$ (286)	$ (322)

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- Definition

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

+ References

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