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Income Taxes
9 Months Ended
Jan. 31, 2015
Income Taxes

8. Income Taxes

The Company computes its interim provision for income taxes by applying the estimated annual effective tax rate to income from operations and adjusts the provision for discrete tax items occurring in the period. For continuing operations, the Company’s effective tax rate for the three months ended January 31, 2015 was 8.5 percent compared to 2.2 percent for the three months ended January 31, 2014 and for the nine months ended January 31, 2015 was 2.5 percent compared to a benefit of (0.2) percent for the nine months ended January 31, 2014. The tax expense for the three and nine months ended January 31, 2015 were primarily attributable to estimated foreign and state income tax expense. During the nine months ended January 31, 2014, a benefit of $0.4 million was recorded as a discrete item related to the 2013 Texas state research and development credit which was enacted in the first quarter of the prior fiscal year.