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Income Taxes (Schedule Of Income Tax Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2016 | Apr. 30, 2015 | Apr. 30, 2014
CURRENT EXPENSE |  |  |
Federal | $ 18,239 | $ 12,663 | $ 4,825
State | 3,195 | 1,890 | 406
Total current expense | 21,434 | 14,553 | 5,231
DEFERRED EXPENSE |  |  |
Federal | 10,179 | 3,024 | 6,076
State | 1,450 | 1,311 | 1,902
Total deferred expense | 11,629 | 4,335 | 7,978
Total expense | 33,063 | 18,888 | 13,209
Other comprehensive income (loss) | (4,110) | (9,510) | 3,944
Total comprehensive income tax expense | $ 28,953 | $ 9,378 | $ 17,153

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