Inventory - Total Owned Inventory by Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Projects in Progress	$ 1,326,577	$ 1,382,045
Land Held for Future Development	213,006	270,990
Land Held for Sale	29,696	44,555
Total owned inventory	1,569,279	1,697,590
Corporate and unallocated
Segment Reporting Information [Line Items]
Projects in Progress	186,987	168,430
Land Held for Future Development	0	0
Land Held for Sale	1,099	1,100
Total owned inventory	188,086	169,530
West Segment
Segment Reporting Information [Line Items]
Projects in Progress	586,420	583,210
Land Held for Future Development	172,015	230,778
Land Held for Sale	6,577	6,941
Total owned inventory	765,012	820,929
East Segment
Segment Reporting Information [Line Items]
Projects in Progress	276,785	353,054
Land Held for Future Development	30,036	29,280
Land Held for Sale	20,930	30,927
Total owned inventory	327,751	413,261
Southeast Segment
Segment Reporting Information [Line Items]
Projects in Progress	276,385	277,351
Land Held for Future Development	10,955	10,932
Land Held for Sale	1,090	5,587
Total owned inventory	$ 288,430	$ 293,870

Carrying amount as of the balance sheet date of project in progress

No definition available.

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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

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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

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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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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