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Income Taxes
6 Months Ended
May 31, 2014
Income Tax Disclosure [Abstract]  
Income Taxes [Text Block]
Income Taxes

Our effective tax rate is estimated based upon the effective tax rate expected to be applicable for the full fiscal year.
Our effective tax rate for the three and six months ended May 31, 2014 was 23.4 percent and 22.2 percent, respectively, compared to 23.0 percent and 21.8 percent for the same periods of 2013.