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Intangible Assets (Tables) | 6 Months Ended
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Jan. 31, 2014
Finite-Lived Intangible Assets, Net [Abstract] |
Intangible assets with finite lives | Intangible assets with finite lives as of January 31, 2014 and July 31, 2013 are as follows:
|  | January 31, 2014
|  | Weighted Average Amortization Period |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Technologies |  | 11.8 |  | $ | 47,370,000 |  |  | 34,711,000 |  |  | $ | 12,659,000 |
Customer relationships |  | 10.0 |  | 29,831,000 |  |  | 16,556,000 |  |  | 13,275,000 |
Trademarks and other |  | 20.0 |  | 5,794,000 |  |  | 2,387,000 |  |  | 3,407,000 |
Total |  |  |  | $ | 82,995,000 |  |  | 53,654,000 |  |  | $ | 29,341,000 |
|  | July 31, 2013
|  | Weighted Average Amortization Period |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Technologies |  | 11.7 |  | $ | 47,494,000 |  |  | 33,264,000 |  |  | $ | 14,230,000 |
Customer relationships |  | 10.0 |  | 29,831,000 |  |  | 15,081,000 |  |  | 14,750,000 |
Trademarks and other |  | 20.0 |  | 5,944,000 |  |  | 2,419,000 |  |  | 3,525,000 |
Total |  |  |  | $ | 83,269,000 |  |  | 50,764,000 |  |  | $ | 32,505,000 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + 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) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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