Loans Payable, Senior Notes, and Mortgage Company Loan Facility Loans Payable (Details) - USD ($) $ in Thousands	Oct. 31, 2018	Oct. 31, 2017
Debt Instrument [Line Items]
Long-term line of credit	$ 1,154,265
Other Loans Payable	188,115	$ 139,116
Loans payable	686,801	637,416
May 2016 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term line of credit	0
Unsecured Debt [Member]
Debt Instrument [Line Items]
Unsecured Long-term Debt, Noncurrent	500,000	500,000
Deferred Finance Costs, Net	$ (1,314)	$ (1,700)