Income Taxes	3 Months Ended
Feb. 29, 2016
Text Block [Abstract]
Income Taxes	Income Taxes Decreases in certain state tax rates are the principal causes of the decreased effective income tax rate, as compared to the statutory income tax rate, for the three months ended February 28, 2015. The effective income tax rate for the three months ended February 29, 2016 approximates the statutory income tax rate. As a result of these items, the Company's effective income tax rate was approximately 36.1 percent for the three months ended February 28, 2015, and approximately 38.3 percent for the three months ended February 29, 2016.

Income Taxes

3 Months Ended

Feb. 29, 2016

Decreases in certain state tax rates are the principal causes of the decreased effective income tax rate, as compared to the statutory income tax rate, for the three months ended February 28, 2015. The effective income tax rate for the three months ended February 29, 2016 approximates the statutory income tax rate.

As a result of these items, the Company's effective income tax rate was approximately 36.1 percent for the three months ended February 28, 2015, and approximately 38.3 percent for the three months ended February 29, 2016.