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Accrued Expenses (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Apr. 30, 2013
Apr. 30, 2012
Apr. 30, 2013
Apr. 30, 2012
Changes in the warranty accrual        
Balance, beginning of year $ 41,241 $ 43,109 $ 41,706 $ 42,474
Additions - homes closed during the year 2,934 2,073 5,223 3,944
Addition - liabilities acquired          731
(Decrease) increase to accruals for homes closed in prior periods (212) (18) (478) 1,765
Charges incurred (2,854) (2,167) (5,342) (5,917)
Balance, end of year $ 41,109 $ 42,997 $ 41,109 $ 42,997