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Income Taxes (Schedule Of Income Tax Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2015 | Apr. 30, 2014 | Apr. 30, 2013
CURRENT EXPENSE |  |  |
Federal | $ 12,663 | $ 4,825 | $ 1,031
State | 1,890 | 406 | 162
Total current expense | 14,553 | 5,231 | 1,193
DEFERRED EXPENSE |  |  |
Federal | 3,024 | 6,076 | 4,859
State | 1,311 | 1,902 | 930
Total deferred expense | 4,335 | 7,978 | 5,789
Total expense | 18,888 | 13,209 | 6,982
Other comprehensive income (loss) | (9,510) | 3,944 | (2,905)
Total comprehensive income tax expense | $ 9,378 | $ 17,153 | $ 4,077

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