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Subsequent Event	6 Months Ended
Subsequent Event	Feb. 28, 2014
Subsequent Event [Abstract]
Subsequent Event	Subsequent Event On March 17, 2014, the Company's Board of Directors approved a resolution authorizing the buyback from time to time of an additional 7,000,000 shares of Class A Common Stock. This followed the completion of the purchase of the remaining shares under the initial 7,000,000 share authorization approved in September 2011.