Fair Value Disclosures (Level 4 inventory fv) (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Inventory Write-down	$ 1,144us-gaap_InventoryWriteDown				$ 1,982us-gaap_InventoryWriteDown
Operating communities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Inventory Write-down	900				17,555
Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Operating communities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Number of Operating Communities Tested (in ones)	58	55	63	65	67
Number of Communities Impaired (in ones)	4	7	1	2	1
Fair Value Of Communities Net Of Impairment Charges	24,968	38,473	14,122	6,211	7,131
Inventory Write-down	$ 900	$ 9,855	$ 4,800	$ 1,600	$ 1,300

For inventory impaired during the period, the net fair value of those properties after impairment.

No definition available.

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- Definition

Number of communities for which the company recognized impairment charges.

+ References

No definition available.

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- Definition

Number of operating communities tested for potential impairment.

+ References

No definition available.

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- Definition

Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28360613&loc=d3e4542-108314

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