Acquisition Acquisition (Pro Forma Information) (Details) (Shapell [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Shapell [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue	$ 860,374	$ 606,564	$ 1,637,554	$ 1,145,337
Business Acquisition, Pro Forma Net Income (Loss)	$ 74,674	$ 29,488	$ 137,943	$ 39,485
Business Acquisition, Pro Forma Earnings Per Share, Basic	$ 0.42	$ 0.17	$ 0.78	$ 0.22
Business Acquisition, Pro Forma Earnings Per Share, Diluted	$ 0.40	$ 0.16	$ 0.75	$ 0.22

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

+ Details

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

+ Details

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

+ Details

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

+ Details

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