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Commitments and Contingencies (Schedule Of Minimum Rental Requirements) (Details) $ in Thousands | Apr. 30, 2018 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
2018 | $ 15,536
2019 | 15,416
2020 | 14,132
2021 | 9,321
2022 | 7,410
2023 (and thereafter) | 32,026
Total, Operating | 93,841
Capital Leases, Future Minimum Payments, Net Present Value [Abstract] |
2018 | 2,138
2019 | 1,889
2020 | 1,422
2021 | 750
2022 | 662
2023 (and thereafter) | 828
Total, Capital | 7,689
Less amounts representing interest (2%) | (444)
Total obligations under capital leases | $ 7,245
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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