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Estimated Amortization Expense (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Jul. 31, 2012
Expected Amortization Expense [Line Items] |
For the fiscal year ending July 31, 2013 | $ 10,944
For the fiscal year ending July 31, 2014 | 10,676
For the fiscal year ending July 31, 2015 | 10,318
For the fiscal year ending July 31, 2016 | 9,262
For the fiscal year ending July 31, 2017 | 8,875
For the fiscal year ending July 31, 2018 and thereafter | $ 64,152

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- Definition The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275 + Details
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