Income Taxes	6 Months Ended
Oct. 31, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company’s effective income tax rate for the three and six month periods ended October 31, 2015 were 36.3% and 36.2%, respectively, compared with 37.7% and 33.4%, respectively, in the comparable periods of the prior fiscal year. The lower effective tax rate for the second quarter of fiscal 2016 was due to the Company operating at a higher net income than the prior year period and more favorable permanent tax differences. The higher effective tax rate for the first six months of fiscal 2016 was the result of a federal research and experimentation tax credit for fiscal years 2011 through 2014 of $1.1 million being recorded in the first quarter of fiscal 2015.

Income Taxes

6 Months Ended

Oct. 31, 2015

The Company’s effective income tax rate for the three and six month periods ended October 31, 2015 were 36.3% and 36.2%, respectively, compared with 37.7% and 33.4%, respectively, in the comparable periods of the prior fiscal year. The lower effective tax rate for the second quarter of fiscal 2016 was due to the Company operating at a higher net income than the prior year period and more favorable permanent tax differences. The higher effective tax rate for the first six months of fiscal 2016 was the result of a federal research and experimentation tax credit for fiscal years 2011 through 2014 of $1.1 million being recorded in the first quarter of fiscal 2015.