Discontinued Operations (Summary of AMS Amounts Included in Discontinued Operations) (Details 2) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	May 31, 2015	May 31, 2015
Discontinued Operations [Abstract]
Net revenue		$ 14,624
Loss from discontinued operations, before tax	$ (1,514)	(5,222)
Income tax expense		2
Loss from discontinued operations, net of tax	(1,514)	(5,224)
Gain (loss) on sale of discontinued operations, before tax	1,681	(300)
Income tax expense		575
Gain (loss) on sale of discontinued operations, net of tax	1,681	(875)
Discontinued operations, net of tax	$ 167	$ (6,099)