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Loans Payable, Senior Notes, and Mortgage Company Loan Facility (Details 4)
$ in Thousands
Oct. 31, 2017
USD ($)
Long-term Debt, Fiscal Year Maturity [Abstract]  
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months $ 181,361
Long-term Debt, Maturities, Repayments of Principal in Year Two 377,188
Long-term Debt, Maturities, Repayments of Principal in Year Three 255,298
Long-term Debt, Maturities, Repayments of Principal in Year Four 501,603
Long-term Debt, Maturities, Repayments of Principal in Year Five $ 421,520