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Acquisition Acquisition (Pro Forma Information) (Details) (Shapell [Member], USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
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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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- Definition 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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