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Common Stock Repurchases	6 Months Ended
Common Stock Repurchases	May 31, 2011
Common Stock Repurchases [Abstract]
Common Stock Repurchases	Note 9: Common Stock Repurchases We purchased approximately 2,193,000 shares and 599,000 shares of our common stock for $64.9 million and $11.5 million in the first six months of fiscal 2011 and fiscal 2010, respectively. On June 27, 2011, the Board of Directors increased and extended our stock buyback program by authorizing the repurchase of an additional $100 million of the company’s common stock (to an aggregate remaining balance of $135 million) until May 31, 2012. The shares may be repurchased from time to time in open market transactions or privately negotiated transactions at the company’s discretion, subject to securities laws, market conditions and other factors.