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Inventory - Total Owned Inventory by Segment (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Sep. 30, 2016
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Projects in Progress | $ 1,417,699 | $ 1,326,577
Land held for future development | 172,824 | 213,006
Land held for sale | 28,021 | 29,696
Total owned inventory | 1,618,544 | 1,569,279
Corporate and unallocated |  |
Segment Reporting Information [Line Items] |  |
Projects in Progress | 195,726 | 186,987
Land held for future development | 0 | 0
Land held for sale | 1,100 | 1,099
Total owned inventory | 196,826 | 188,086
West Segment |  |
Segment Reporting Information [Line Items] |  |
Projects in Progress | 619,044 | 586,420
Land held for future development | 147,861 | 172,015
Land held for sale | 7,699 | 6,577
Total owned inventory | 774,604 | 765,012
East Segment |  |
Segment Reporting Information [Line Items] |  |
Projects in Progress | 305,593 | 276,785
Land held for future development | 14,004 | 30,036
Land held for sale | 18,010 | 20,930
Total owned inventory | 337,607 | 327,751
Southeast Segment |  |
Segment Reporting Information [Line Items] |  |
Projects in Progress | 297,336 | 276,385
Land held for future development | 10,959 | 10,955
Land held for sale | 1,212 | 1,090
Total owned inventory | $ 309,507 | $ 288,430

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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 + 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 + Details
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