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Intangible Assets and Goodwill (Tables) | 9 Months Ended
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Aug. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule Of Intangible Assets | Intangible assets are comprised of the following significant classes (in thousands):
| August 31, 2014 |  | November 30, 2013
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Book Value |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Book Value
Purchased technology | $ | 51,979 |  |  | $ | (38,468 | ) |  | $ | 13,511 |  |  | $ | 44,793 |  |  | $ | (36,712 | ) |  | $ | 8,081 |
Customer-related and other | 19,724 |  |  | (18,096 | ) |  | 1,628 |  |  | 19,543 |  |  | (17,674 | ) |  | 1,869 |
Total | $ | 71,703 |  |  | $ | (56,564 | ) |  | $ | 15,139 |  |  | $ | 64,336 |  |  | $ | (54,386 | ) |  | $ | 9,950 |
Schedule Of Future Amortization Expense From Intangible Assets Held | Future amortization expense for intangible assets as of August 31, 2014, is as follows (in thousands):
Remainder of 2014 | $ | 898 |
2015 | 3,482 |
2016 | 2,979 |
2017 | 2,979 |
2018 | 2,162 |
Thereafter | 2,639 |
Total | $ | 15,139 |
Schedule of Goodwill | Changes in the carrying amount of goodwill in the nine months ended August 31, 2014, are as follows (in thousands):
Balance, November 30, 2013 | $ | 224,286 |
Additions | 6,433 |
Translation adjustments | (42 | )
Balance, August 31, 2014 | $ | 230,677 |

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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 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=26713463&loc=d3e16323-109275 + 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 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 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) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + 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 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: 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 + Details
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