Discontinued Operations (Summary of AMS Amounts Included in Discontinued Operations) (Details 2) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Feb. 28, 2015	Feb. 28, 2015
Discontinued Operations [Abstract]
Net revenue	$ 3,634	$ 14,624
Loss from discontinued operations, before tax	(4,571)	(3,707)
Income tax expense	(9)	2
Loss from discontinued operations, net of tax	(4,562)	(3,709)
Loss on sale of discontinued operations, before tax	(372)	(1,982)
Income tax expense	575	575
Loss on sale of discontinued operations, net of tax	(947)	(2,557)
Discontinued operations, net of tax	$ (5,509)	$ (6,266)