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Loans Payable, Senior Notes, and Mortgage Company Loan Facility Term Loan Facility (Detail Textuals 1) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Apr. 30, 2014
Oct. 31, 2014
Oct. 31, 2016
Five year term note [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Term   5 years  
Proceeds from Bank Debt $ 485.0 $ 15.0  
Debt Instrument, Interest Rate, Effective Percentage     1.93%
Guarantor Subsidiaries [Member]      
Debt Instrument [Line Items]      
Noncontrolling Interest, Ownership Percentage by Parent     100.00%