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Summary Of Significant Accounting Policies (Schedule Of Warranty Reserve) (Details) - USD ($)
$ in Thousands
12 Months Ended
Nov. 30, 2014
Nov. 30, 2013
Movement in Standard Product Warranty Accrual [Roll Forward]    
Warranty reserve, beginning of period $ 102,580 $ 84,188
Warranties issued 60,856 50,695
Adjustments to pre-existing warranties from changes in estimates (1) [1] 12,685 19,687
Payments (60,194) (51,990)
Warranty reserve, end of period $ 115,927 $ 102,580
[1] The adjustments to pre-existing warranties from changes in estimates during the year ended November 30, 2014 and 2013 primarily related to specific claims related to certain of our homebuilding communities and other adjustments.