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Commitments and Contingencies (Schedule Of Minimum Rental Requirements) (Details) $ in Thousands | Apr. 30, 2019 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
2018 | $ 17,943
2019 | 17,649
2020 | 12,435
2021 | 10,636
2022 | 9,854
2023 (and thereafter) | 38,871
Total, Operating | 107,388
Capital Leases, Future Minimum Payments, Net Present Value [Abstract] |
2018 | 2,456
2019 | 1,953
2020 | 1,013
2021 | 705
2022 | 701
2023 (and thereafter) | 166
Total, Capital | 6,994
Less amounts representing interest (2%) | (349)
Total obligations under capital leases | $ 6,645
Minimum [Member] |
Capital Leased Assets [Line Items] |
Capital leases, interest rate, effective percentage | 2.00%
Maximum [Member] |
Capital Leased Assets [Line Items] |
Capital leases, interest rate, effective percentage | 6.50%

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