Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
May 31, 2016	May 31, 2015	May 31, 2014
Current
Federal	$ 4,228	$ 11,636	$ 18,007
State	556	1,355	1,720
Foreign	95	387	319
Deferred
Federal	(1,285)	(3,626)	(7,553)
State	(277)	(248)	(500)
Foreign	(314)	(286)	125
Provision for income taxes	$ 3,003	$ 9,218	$ 12,118

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

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