Credit Facility, Loans Payable, Senior Notes, Senior Subordinated Notes and Mortgage Company Warehouse Loan Credit Facility, Loans Payable, Senior Notes, Senior Subordinated Notes and Mortgage Company Warehouse Loan (Details 2) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012
Long-term Debt, Fiscal Year Maturity [Abstract]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 265,837
Long-term Debt, Maturities, Repayments of Principal in Year Two	278,092
Long-term Debt, Maturities, Repayments of Principal in Year Three	310,103
Long-term Debt, Maturities, Repayments of Principal in Year Four	402,068
Long-term Debt, Maturities, Repayments of Principal in Year Five	$ 1,003,323