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Intangible Assets and Goodwill (Tables) | 9 Months Ended
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Aug. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule Of Intangible Assets | Intangible assets are comprised of the following significant classes (in thousands):
| August 31, 2013 |  | November 30, 2012
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Book Value |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Book Value
Purchased technology | $ | 44,730 |  |  | $ | (36,117 | ) |  | $ | 8,613 |  |  | $ | 42,520 |  |  | $ | (40,066 | ) |  | $ | 2,454 |
Customer-related and other | 19,537 |  |  | (17,460 | ) |  | 2,077 |  |  | 26,477 |  |  | (23,812 | ) |  | 2,665 |
Total | $ | 64,267 |  |  | $ | (53,577 | ) |  | $ | 10,690 |  |  | $ | 68,997 |  |  | $ | (63,878 | ) |  | $ | 5,119 |
Schedule Of Future Amortization Expense From Intangible Assets Held | Future amortization expense for intangible assets as of August 31, 2013, is as follows (in thousands):
Remainder of 2013 | $ | 739 |
2014 | 2,638 |
2015 | 2,409 |
2016 | 1,906 |
2017 | 1,906 |
Thereafter | 1,092 |
Total | $ | 10,690 |
Schedule of Goodwill | Changes in the carrying amount of goodwill for the nine months ended August 31, 2013, are as follows (in thousands):
Balance, November 30, 2012 | $ | 226,110 |
Addition | 4,798 |
Disposal | (6,377 | )
Translation adjustments | (241 | )
Balance, August 31, 2013 | $ | 224,290 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References No definition available. + Details
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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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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 -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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