Income Taxes	6 Months Ended
May 31, 2017
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company's effective income tax rate was approximately 38.1 percent for the three and six months ended May 31, 2017 and approximately 39.4 percent and 38.9 percent for the three and six months ended May 31, 2016, respectively. The effective income tax rate for the three and six months ended May 31, 2017 approximates the statutory income tax rate. Changes in certain state tax rates are the principal causes of the increased effective income tax rate for the three and six months ended May 31, 2016.

Income Taxes

6 Months Ended

May 31, 2017

The Company's effective income tax rate was approximately 38.1 percent for the three and six months ended May 31, 2017 and approximately 39.4 percent and 38.9 percent for the three and six months ended May 31, 2016, respectively.

The effective income tax rate for the three and six months ended May 31, 2017 approximates the statutory income tax rate. Changes in certain state tax rates are the principal causes of the increased effective income tax rate for the three and six months ended May 31, 2016.