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Goodwill And Intangible Assets (Tables) | 9 Months Ended
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Jul. 01, 2011
Goodwill And Intangible Assets |
Schedule Of Intangible Assets Excluding Goodwill |
|  | Weighted Average Amortization Period Remaining (Years) |  |  | As of July 1, 2011 |  |  | As of October 1, 2010 |
|  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Amortized intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Developed technology |  |  | 1.5 |  |  | $ | 20,660 |  |  | $ | (13,001 | ) |  | $ | 7,659 |  |  | $ | 14,150 |  |  | $ | (10,862 | ) |  | $ | 3,288 |
Customer relationships |  |  | 4.1 |  |  |  | 57,510 |  |  |  | (18,959 | ) |  |  | 38,551 |  |  |  | 21,510 |  |  |  | (15,894 | ) |  |  | 5,616 |
Patents and other |  |  | 6.0 |  |  |  | 50,896 |  |  |  | (7,672 | ) |  |  | 43,224 |  |  |  | 5,966 |  |  |  | (5,630 | ) |  |  | 336 |
Total amortized intangibles |  |  |  |  |  | $ | 129,066 |  |  | $ | (39,632 | ) |  | $ | 89,434 |  |  | $ | 41,626 |  |  | $ | (32,386 | ) |  | $ | 9,240 |
Nonamortizing intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trademarks |  |  |  |  |  |  | 6,869 |  |  |  | — |  |  |  | 6,869 |  |  |  | 3,269 |  |  |  | — |  |  |  | 3,269 |
Total intangible assets |  |  |  |  |  | $ | 135,935 |  |  | $ | (39,632 | ) |  | $ | 96,303 |  |  | $ | 44,895 |  |  | $ | (32,386 | ) |  | $ | 12,509 |
Schedule Of Changes In Gross Carrying Amount Of Goodwill And Intangible Assets |
|  | Goodwill and Intangible Assets |
|  | Goodwill |  |  | Developed Technology |  |  | Customer Relationships |  |  | Patents and Other |  |  | Trademarks |  |  | Total |
Balance as of October 1, 2010 |  | $ | 485,587 |  |  | $ | 14,150 |  |  | $ | 21,510 |  |  | $ | 5,966 |  |  | $ | 3,269 |  |  | $ | 530,482 |
Additions during period |  |  | 187,106 |  |  |  | 6,510 |  |  |  | 36,000 |  |  |  | 44,930 |  |  |  | 3,600 |  |  |  | 278,146 |
Balance as of July 1, 2011 |  | $ | 672,693 |  |  | $ | 20,660 |  |  | $ | 57,510 |  |  | $ | 50,896 |  |  | $ | 6,869 |  |  | $ | 808,628 |
Schedule Of Expected Annual Amortization Expense Related To Intangible Assets For The Next Five Years |
|  | Remaining FY 2011 |  |  | FY 2012 |  |  | FY 2013 |  |  | FY 2014 |  |  | FY 2015 |
Amortization expense |  | $ | 9,331 |  |  | $ | 23,378 |  |  | $ | 16,017 |  |  | $ | 12,480 |  |  | $ | 10,477 |

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- Definition Tabular disclosure of the estimated aggregate amortization expense for intangible assets subject to amortization for each of the five succeeding fiscal years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 350 -SubTopic 30 -Publisher FASB -Number -Article -Subparagraph (a) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275 + Details
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