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Common Stock Repurchases
9 Months Ended
Aug. 31, 2016
Common Stock Repurchases [Abstract]  
Common Stock Repurchases
Common Stock Repurchases

We repurchased and retired 0.4 million shares of our common stock for $11.5 million in the three months ended August 31, 2016 and 2.8 million shares for $71.5 million in the nine months ended August 31, 2016. We did not repurchase shares of our common stock during the three months ended August 31, 2015 and in the nine months ended August 31, 2015, we repurchased and retired 1.3 million shares for $32.9 million. The shares were repurchased in both periods as part of our Board of Directors authorized share repurchase program.

In March 2016, our Board of Directors authorized a new $100.0 million share repurchase program, which increased the total authorization to $202.8 million. As of August 31, 2016, there is $143.0 million remaining under this current authorization.