Loans Payable, Senior Notes and Mortgage Company Loan Facility Loans Payable (Details) - USD ($) $ in Thousands	Jan. 31, 2018	Oct. 31, 2017
Debt Instrument [Line Items]
Other Loans Payable	$ 133,395	$ 139,116
Loans payable	631,791	637,416
Unsecured Debt [Member]
Debt Instrument [Line Items]
Unsecured Long-term Debt, Noncurrent	500,000	500,000
Deferred Finance Costs, Net	$ (1,604)	$ (1,700)