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Inventory - Narrative (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2012 Community home | Sep. 30, 2011 Community | Sep. 30, 2013 home
Real Estate Properties [Line Items] |  |  |
Number of subtantially completed homes not subject to a sales contract | 174 |  | 113
Total value of substantially completed homes | $ 39,700,000 |  | $ 30,700,000
Owned inventory | 1,099,132,000 |  | 1,304,694,000
Number of communities impaired | 5 | 19 |
Deposits and non-refundable preacquisition costs incurred | 24,923,000 |  | 37,313,000
Total remaining purchase price committed under all options | 198,498,000 |  | 288,638,000
Minimum |  |  |
Real Estate Properties [Line Items] |  |  |
Discount rate | 11.20% | 12.60% |
Maximum |  |  |
Real Estate Properties [Line Items] |  |  |
Discount rate | 17.00% | 18.20% |
CALIFORNIA |  |  |
Real Estate Properties [Line Items] |  |  |
Owned inventory | $ 350,900,000 |  | $ 388,100,000

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- Definition Land Under Purchase Options, Consolidated and Unconsolidated VIEs, Total Remaining Obligations Under Option Agreements + References No definition available. + Details
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- Definition Land Under Purchase Options, Deposits and Non-refundable Preacquisition Costs + References No definition available. + Details
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- Definition The net carrying amount as of the balance sheet date of the sum of the various components of an operative builder's inventory, including finished homes. Operative builders primarily consist of entities that develop land, construct residential homes and commercial and industrial buildings thereon, and sell them to home buyers and operators of the commercial and industrial properties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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