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Commitments and Contingencies (Tables) | 9 Months Ended
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Aug. 31, 2012
Commitments and Contingencies Disclosure [Abstract] |
Changes in the Warranty Liability | The changes in the Company’s warranty liability were as follows (in thousands):
| Nine Months Ended August 31, |  | Three Months Ended August 31,
| 2012 |  | 2011 |  | 2012 |  | 2011
Balance at beginning of period | $ | 67,693 |  |  | $ | 93,988 |  |  | $ | 50,866 |  |  | $ | 82,630 |
Warranties issued | 5,263 |  |  | 3,236 |  |  | 2,290 |  |  | 1,255 |
Payments | (14,609 | ) |  | (20,483 | ) |  | (5,906 | ) |  | (6,012 | )
Adjustments (a) | (11,021 | ) |  | (6,242 | ) |  | 76 |  |  | (7,374 | )
Balance at end of period | $ | 47,326 |  |  | $ | 70,499 |  |  | $ | 47,326 |  |  | $ | 70,499 |
(a) | The Company’s warranty adjustments for the nine months ended August 31, 2012 include $11.2 million of adjustments that were recorded to reflect the Company’s assessment of trends in its overall warranty claims experience on homes previously delivered. The Company's warranty adjustments for the nine months and three months ended August 31, 2011 include $7.4 million of adjustments that also resulted from the Company's assessment of trends in its overall warranty claims experience on homes previously delivered.

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 460 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 8 -Section 50 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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