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Segments and Other Geographic Information (Details 1) (USD $) In Thousands, unless otherwise specified | Jul. 31, 2013 | Jul. 31, 2012 | Jul. 31, 2011
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Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Long-lived assets | $ 712,743 | $ 606,070 | $ 621,775
Other |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Long-lived assets | 44,219 |  |
International Total |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Long-lived assets | 151,179 | 95,704 | 100,217
Operating segments | North America |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Long-lived assets | 565,590 | 514,527 | 526,137
Operating segments | United Kingdom |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Long-lived assets | $ 102,934 | $ 91,543 | $ 95,638

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 + Details
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Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration