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Summary of Significant Accounting Policies (Details) (USD $) Share data in Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Sep. 30, 2013 state | Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2010
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Number of states with active operations | 16 |  |  |
Measurement threshold of likelihood of being realized (percent) | 50.00% |  |  |
Other Liabilities [Abstract] |  |  |  |
Income tax liabilities | $ 20,170,000 | $ 22,225,000 |  |
Accrued warranty expenses | 11,663,000 | 15,477,000 | 17,916,000 | 25,821,000
Accrued interest | 33,372,000 | 28,673,000 |  |
Accrued and deferred compensation | 25,579,000 | 24,612,000 |  |
Customer deposits | 11,408,000 | 8,830,000 |  |
Other | 43,431,000 | 47,901,000 |  |
Total | 145,623,000 | 147,718,000 |  |
Advertising costs | 14,200,000 | 13,500,000 | 11,400,000 |
Unrecognized compensation cost | $ 1,000,000 | $ 2,100,000 |  |
Weighted average period to recognize remaining cost | 1 year 2 months 12 days |  |  |
Minimum |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Time to develop, sell, construct and close all houses in typical community | 3 years |  |  |
Other Liabilities [Abstract] |  |  |  |
Estimated future warranty costs as a percentage or revenue (percent) | 0.10% |  |  |
Maximum |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Time to develop, sell, construct and close all houses in typical community | 5 years |  |  |
Other Liabilities [Abstract] |  |  |  |
Estimated future warranty costs as a percentage or revenue (percent) | 1.60% |  |  |
Buildings | Minimum |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful life | 25 years |  |  |
Buildings | Maximum |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful life | 30 years |  |  |
Information systems | Maximum |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful life | 5 years |  |  |
Furniture, Fixtures, Computer and Office Equipment | Minimum |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful life | 3 years |  |  |
Furniture, Fixtures, Computer and Office Equipment | Maximum |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful life | 7 years |  |  |
SSARs and Stock Options |  |  |  |
Other Liabilities [Abstract] |  |  |  |
Antidilutive securities excluded from computation of earnings per share (shares) | 0.6 |  |  |
Equity Unit Purchase Agreements |  |  |  |
Other Liabilities [Abstract] |  |  |  |
Antidilutive securities excluded from computation of earnings per share (shares) | 7.9 |  |  |

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- Definition Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 15, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph b(1) -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(b)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Section Appendix E -Paragraph 289 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 1 -Article 9 + Details
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