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Income Taxes (Schedule Of Income Tax Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 30, 2018 | Apr. 30, 2017 | Apr. 30, 2016
CURRENT EXPENSE |  |  |
Federal | $ 8,668 | $ 23,638 | $ 18,239
State | 1,290 | 4,189 | 3,195
Foreign | 257 | 0 | 0
Total current expense | 10,215 | 27,827 | 21,434
DEFERRED EXPENSE |  |  |
Federal | 17,833 | 8,607 | 10,179
State | 3,642 | 1,292 | 1,450
Deferred Foreign Income Tax Expense (Benefit) | (71) | 0 | 0
Total deferred expense | 21,404 | 9,899 | 11,629
Total expense | 31,619 | 37,726 | 33,063
Other comprehensive income (loss) | 50 | 4,391 | (4,110)
Total comprehensive income tax expense | $ 31,669 | $ 42,117 | $ 28,953

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