Loans Payable, Senior Notes, and Mortgage Company Loan Facility Loans Payable (Details) - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Debt Instrument [Line Items]
Long-term line of credit	$ 1,199,600
Other Loans Payable	139,116	$ 122,809
Loans payable	637,416	871,079
May 2016 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term line of credit	0	250,000
Unsecured Debt [Member]
Debt Instrument [Line Items]
Unsecured Long-term Debt, Noncurrent	500,000	500,000
Deferred Finance Costs, Net	$ (1,700)	$ (1,730)