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Income Taxes (Schedule Of Income Tax Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2015
CURRENT EXPENSE |  |  |
Federal | $ 23,638 | $ 18,239 | $ 12,663
State | 4,189 | 3,195 | 1,890
Total current expense | 27,827 | 21,434 | 14,553
DEFERRED EXPENSE |  |  |
Federal | 8,607 | 10,179 | 3,024
State | 1,292 | 1,450 | 1,311
Total deferred expense | 9,899 | 11,629 | 4,335
Total expense | 37,726 | 33,063 | 18,888
Other comprehensive income (loss) | 4,391 | (4,110) | (9,510)
Total comprehensive income tax expense | $ 42,117 | $ 28,953 | $ 9,378

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