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Loans Payable, Senior Notes and Mortgage Company Loan Facility Term Loan Facility (Details Textual 1) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Jan. 31, 2018 | Oct. 31, 2017
Unsecured Debt [Member] |  |
Debt Instrument [Line Items] |  |
Unsecured Long-term Debt, Noncurrent | $ 500,000 | $ 500,000
Debt Instrument, Term | 5 years |
Debt Instrument, Maturity Date | Aug. 01, 2021 |
Debt Instrument, Interest Rate at Period End | 2.97% |
Guarantor Subsidiaries [Member] |  |
Debt Instrument [Line Items] |  |
Noncontrolling Interest, Ownership Percentage by Parent | 100.00% |

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