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Other Income And Other Expenses (Schedule Of Interest Income And Expense Of Continuing Operations) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2018 | Jan. 31, 2017
Schedule Of Interest Income And Expense [Line Items] |  |  |  |
Other income (expense), net | $ 1,028 | $ 134 | $ 3,259 | $ 4,948
Mortgage loans and real estate owned, net |  |  |  |
Schedule Of Interest Income And Expense [Line Items] |  |  |  |
Other income (expense), net | 0 | (377) | 0 | 2,668
Interest income |  |  |  |
Schedule Of Interest Income And Expense [Line Items] |  |  |  |
Other income (expense), net | 699 | 574 | 3,454 | 2,364
Foreign currency gains (losses), net |  |  |  |
Schedule Of Interest Income And Expense [Line Items] |  |  |  |
Other income (expense), net | 21 | 80 | 35 | 53
Other, net |  |  |  |
Schedule Of Interest Income And Expense [Line Items] |  |  |  |
Other income (expense), net | $ 308 | $ (143) | $ (230) | $ (137)

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- Definition Amount of income (expense) related to nonoperating activities, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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