Management Common Stock Loan Program (Details) (USD $)	12 Months Ended		1 Months Ended	12 Months Ended			3 Months Ended	1 Months Ended
	Aug. 31, 2013	Aug. 31, 2001	May 31, 2004 Management Common Stock Loan Program [Member]	Aug. 31, 2001 Management Common Stock Loan Program [Member]	Jun. 30, 2006 Management Common Stock Loan Program [Member]	Nov. 30, 2010 Management Common Stock Loan Program [Member] Shawn D. Moon [Member]	Aug. 31, 2012 Management Common Stock Loan Program [Member] Loan Participants Declaring Bankruptcy [Member]	May 31, 2004 Management Common Stock Loan Program [Member] May 2004 Modification [Member]	Mar. 31, 2005 Management Common Stock Loan Program [Member] May 2004 Modification [Member] Officers And Directors [Member]
Management Common Stock Loan Program [Line Items]
Shares of common stock purchased by management stock loan participants				3,825,000
Cost of loan to purchase stock			$ 7,600,000	$ 33,600,000				$ 0
Interest rate		9.40%
Repaid loans from officers and directors									800,000
Number of shares held, elected to accept extension and place into escrow account					3,500,000
Percent of shares held, elected to accept extension and place into escrow account					94.00%
Value of shares owed to the company						$ 1,126,595
Number of shares owed to the company						75,865
Shares acquired	73,320						31,063