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Inventory - Total Owned Inventory by Segment (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Sep. 30, 2014
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Projects in Progress (a) | $ 1,495,268 | $ 1,204,776
Land held for future development | 270,619 | 301,048
Land held for sale | 56,203 | 51,672
Total owned inventory | 1,822,090 | 1,557,496
West Segment |  |
Segment Reporting Information [Line Items] |  |
Projects in Progress (a) | 626,772 | 462,508
Land held for future development | 230,481 | 260,898
Land held for sale | 8,268 | 10,026
Total owned inventory | 865,521 | 733,432
East Segment |  |
Segment Reporting Information [Line Items] |  |
Projects in Progress (a) | 392,716 | 353,859
Land held for future development | 29,215 | 29,239
Land held for sale | 32,057 | 34,530
Total owned inventory | 453,988 | 417,628
Southeast Segment |  |
Segment Reporting Information [Line Items] |  |
Projects in Progress (a) | 303,225 | 264,843
Land held for future development | 10,923 | 10,911
Land held for sale | 14,778 | 4,821
Total owned inventory | 328,926 | 280,575
Corporate and unallocated |  |
Segment Reporting Information [Line Items] |  |
Projects in Progress (a) | 172,555 | 123,566
Land held for future development | 0 | 0
Land held for sale | 1,100 | 2,295
Total owned inventory | $ 173,655 | $ 125,861

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- Definition Carrying amount as of the balance sheet date of parcels of land held for sale, and on which the entity has no intention or no further intention to perform construction activities. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a -Article 5 + 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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- Definition Carrying amount of land available for development. + References Reference 1: 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.(a),1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Subparagraph d -Article 7 + Details
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