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Share Repurchase Plans	12 Months Ended
Share Repurchase Plans	Aug. 31, 2013
Share Repurchase Plans [Abstract]
Share Repurchase Plans	Note 9. Share Repurchase Plans On December 13, 2011, the Company’s Board of Directors approved a share buy-back plan. Under the plan, which was in effect through December 12, 2013, the Company was authorized to acquire up to $50.0 million of its outstanding shares on such terms and conditions as may be acceptable to the Company’s Chief Executive Officer or Chief Financial Officer and in compliance with all laws and regulations applicable thereto. During the period from December 14, 2011 through July 31, 2013, the Company repurchased 1,013,400 shares at a total cost of $50.0 million. As a result, the Company has utilized the entire authorized amount and completed the repurchases under this share buy-back plan. On June 18, 2013, the Company’s Board of Directors approved a new share buy-back plan. Under the plan, which is in effect from August 1, 2013 through August 31, 2015, the Company is authorized to acquire up to $60.0 million of its outstanding shares on such terms and conditions as may be acceptable to the Company’s Chief Executive Officer or Chief Financial Officer and subject to present loan covenants and in compliance with all laws and regulations applicable thereto. During the period from August 1, 2013 through August 31, 2013, the Company repurchased 45,633 shares at a total cost of $2.7 million.