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Loans Payable, Senior Notes and Mortgage Company Loan Facility Term Loan Facility and 364-Day Facility (Details Textual 1) (USD $)
3 Months Ended 3 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2014
Oct. 31, 2013
Apr. 30, 2014
Five year term note [Member]
Feb. 03, 2014
Five year term note [Member]
Apr. 30, 2014
three hundred sixty four day senior uncedured revolving credit facility [Member]
Feb. 04, 2014
three hundred sixty four day senior uncedured revolving credit facility [Member]
Apr. 30, 2014
Subsidiary of Common Parent [Member]
Apr. 30, 2014
New Credit Facility [Member]
Feb. 03, 2014
Shapell [Member]
Five year term note [Member]
Feb. 03, 2014
Shapell [Member]
New Credit Facility [Member]
Debt Instrument [Line Items]                    
Debt Instrument, Maturity Period     5 years              
Interest above fed funds rate 0.50%                  
Long-term Debt                 $ 485,000,000  
Number of banks included in Credit Facility       10   5        
Line of Credit Facility, term of contract         364 days     5 years    
Line of Credit Facility, Amount Outstanding 95,000,000        0     95,000,000   370,000,000
Line of Credit Facility, Maximum Borrowing Capacity           $ 500,000,000   $ 1,035,000,000    
Percent of interest above Libor 1.00%                  
Percent interest added when euro rate option selected 0.25%                  
Debt Instrument, Interest Rate at Period End     1.56%         1.85%    
Noncontrolling Interest, Ownership Percentage by Parent             100.00%