Stockholders' Equity (Option Activity) (Details 2) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Stockholders' Equity [Abstract]
Shares Available for Grant, Beginning Balance		10,823,646
Share options, grants in period		435,000	0	0
Shares Available for Grant, Options canceled		1,825,014
Shares Available for Grant, Restricted stock awards granted	[1]	(3,837,588)
Shares Available for Grant, Ending Balance		8,376,072	10,823,646
Options Outstanding, beginning balance		5,432,002
Options Outstanding, Options Granted		435,000	0	0
Options Outstanding, options canceled		(1,825,014)
Options Outstanding, options exercised		(281,117)
Options Outstanding, ending balance		3,760,871	5,432,002
Options Outstanding, exercisable ending balance		3,760,871
Aggregate Intrinsic Value, beginning balance		$ 400
Aggregate Intrinsic Value, ending balance		492,060	$ 400
Aggregate Intrinsic Value, Exercisable ending balance		$ 492,060
Weighted-Average Exercise Price, beginning balance		$ 26.32
Weighted-Average Exercise Price, options granted		18.49
Weighted-Average Exercise Price, options canceled		24.83
Weighted-Average Exercise Price, options exercised		20.18
Weighted-Average Exercise Price, ending balance		26.6	$ 26.32
Weighted-Average Exercise Price, exercisable ending balance		$ 26.6
Weighted-Average Remaining Contractual Life		1 year 6 months 11 days	1 year 6 months 7 days
Weighted-Average Remaining Contractual Life, Exercisable ending balance		1 year 6 months 11 days

[1] Represents the maximum number of shares that can be issued based on the achievement of certain performance criteria.