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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Sep. 27, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule Of Intangible Assets Excluding Goodwill | Intangible assets consist of the following (in millions):
|  | As of |  | As of
| Weighted average amortization period remaining (years) | September 27, 2013 |  | September 28, 2012
| Gross carrying amount |  | Accumulated amortization |  | Net carrying amount |  | Gross carrying amount |  | Accumulated amortization |  | Net carrying amount
Customer relationships | 2.9 | $ | 78.7 |  |  | $ | (49.3 | ) |  | $ | 29.4 |  |  | $ | 78.7 |  |  | $ | (36.2 | ) |  | $ | 42.5 |
Developed technology and other | 3.1 | 88.9 |  |  | (55.3 | ) |  | 33.6 |  |  | 89.3 |  |  | (42.3 | ) |  | 47.0 |
IPR&D | 0.7 | 6.1 |  |  | (5.9 | ) |  | 0.2 |  |  | 6.1 |  |  | (3.2 | ) |  | 2.9 |
Trademarks | Indefinite | 1.6 |  |  | — |  |  | 1.6 |  |  | 1.6 |  |  | — |  |  | 1.6 |
Total intangible assets |  | $ | 175.3 |  |  | $ | (110.5 | ) |  | $ | 64.8 |  |  | $ | 175.7 |  |  | $ | (81.7 | ) |  | $ | 94.0 |
Schedule of Expected Amortization Expense | Annual amortization expense for the next five years related to intangible assets is expected to be as follows (in millions):
| 2014 |  | 2015 |  | 2016 |  | 2017 |  | 2018 |  | Thereafter
Amortization expense | $ | 24.0 |  |  | $ | 21.0 |  |  | $ | 16.2 |  |  | $ | 2.0 |  |  | $ | — |  |  | $ | — |

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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 -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 + Details
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