Acquisition (Details) (USD $)	1 Months Ended	6 Months Ended
Nov. 30, 2011	Apr. 30, 2012	Apr. 30, 2011
Acquisition (Textual) [Abstract]
Payments to Acquire Businesses, Net of Cash Acquired	$ 144,700,000	$ 144,746,000
Number of homes delivered	29
Aggregate value of homes delivered	13,700,000
Average price of the homes in backlog	$ 471,000
Number of home sites owned included in assets	1,245
Number of home sites controlled through land purchase agreements	254
Increase in Number of Selling Community Count	15

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 15, 17

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration