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Share Repurchase Plans	12 Months Ended
	Aug. 31, 2016
Share Repurchase Plans [Abstract]
Share Repurchase Plans	Note 8. Share Repurchase Plans  On October 14, 2014, the Company’s Board of Directors approved a share buy-back plan. Under the plan, which became effective at the beginning of the third quarter of fiscal year 2015, once the Company’s previous $60.0 million plan was exhausted, the Company was authorized to acquire up to $75.0 million of its outstanding shares through August 31, 2016. The timing and amount of repurchases were based on terms and conditions as may be acceptable to the Company’s Chief Executive Officer and Chief Financial Officer and in compliance with all laws and regulations applicable thereto. During the period from March 1, 2015 through August 31, 2016, the Company repurchased 503,127 shares at a total cost of $47.8 million under this $75.0 million plan.  On June 21, 2016, the Company’s Board of Directors approved a new share buy-back plan. Under the plan, which became effective on September 1, 2016 and will remain in effect through August 31, 2018, the Company is authorized to acquire up to $75.0 million of its outstanding shares on terms and conditions as may be acceptable to the Company’s Chief Executive Officer and Chief Financial Officer and in compliance with all laws and regulations applicable thereto.

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- Definition

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

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