Income Taxes	6 Months Ended
May 31, 2016
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 year. Our effective tax rate for the three and six months ended May 31, 2016 was 23.0 percent and 21.7 percent, respectively, compared to 20.8 percent and 19.4 percent for the three and six months ended May 31, 2015, due to an increase in earnings in higher tax jurisdictions.

Income Taxes

6 Months Ended

May 31, 2016

Income Taxes

Our effective tax rate is estimated based upon the effective tax rate expected to be applicable for the full year.

Our effective tax rate for the three and six months ended May 31, 2016 was 23.0 percent and 21.7 percent, respectively, compared to 20.8 percent and 19.4 percent for the three and six months ended May 31, 2015, due to an increase in earnings in higher tax jurisdictions.