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Subsequent Events	3 Months Ended
	Nov. 30, 2011
Subsequent Events [Abstract]
Subsequent Events	Note 15. Subsequent Events On December 13, 2011, the Company's Board of Directors declared a 7% increase in the regular quarterly cash dividend, increasing it from $0.27 per share to $0.29 per share. The dividend is payable on January 31, 2012 to shareholders of record on January 6, 2012. On December 13, 2011, the Company's Board of Directors also approved a new share buy-back plan. Under the plan, which is in effect through December 12, 2013, the Company is 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 and Chief Financial Officer and in compliance with all laws and regulations applicable thereto.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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