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Components of Amortizable Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Jul. 31, 2013 | Jul. 31, 2012
Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 127,472 | $ 136,626
Accumulated Amortization | 29,719 | 22,399
Dealer networks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life in Years | 9 years |
Cost | 67,000 | 72,230
Accumulated Amortization | 19,121 | 13,343
Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life in Years | 2 years |
Cost | 4,130 | 6,321
Accumulated Amortization | 2,375 | 3,678
Trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life in Years | 22 years |
Cost | 35,042 | 36,775
Accumulated Amortization | 3,843 | 2,522
Design Technology And Other Intangibles |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Life in Years | 11 years |
Cost | 21,300 | 21,300
Accumulated Amortization | $ 4,380 | $ 2,856

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -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. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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