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Loans Payable, Senior Notes and Mortgage Company Loan Facility Loans Payable (Details) - USD ($)
$ in Thousands
Apr. 30, 2020
Oct. 31, 2019
Debt Instrument [Line Items]    
Long-term Line of Credit $ 1,240,626  
Other Loans Payable 309,390 $ 314,577
Loans payable 1,556,572 1,111,449
Oct 2019 Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Long-term Line of Credit 450,000 0
Senior unsecured term loan [Member]    
Debt Instrument [Line Items]    
Unsecured Long-term Debt, Noncurrent 800,000 800,000
Deferred Finance Costs, Net $ (2,818) $ (3,128)