The Company and Its Significant Accounting Policies Goodwill and Other Intangible Assets (Details) |
12 Months Ended | |
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Sep. 25, 2011 |
Sep. 26, 2010 |
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| Weighted-Average Amortization Periods for Finite-Lived Intangible Assets, by Class [Line Items] | ||
| Weighted-average amortization period (in years) | 11 | 14 |
Spectrum Licenses [Member] |
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| Weighted-Average Amortization Periods for Finite-Lived Intangible Assets, by Class [Line Items] | ||
| Weighted-average amortization period (in years) | 5 | 5 |
Marketing-related [Member] |
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| Weighted-Average Amortization Periods for Finite-Lived Intangible Assets, by Class [Line Items] | ||
| Weighted-average amortization period (in years) | 9 | 18 |
Technology-based [Member] |
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| Weighted-Average Amortization Periods for Finite-Lived Intangible Assets, by Class [Line Items] | ||
| Weighted-average amortization period (in years) | 11 | 14 |
Customer-related [Member] |
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| Weighted-Average Amortization Periods for Finite-Lived Intangible Assets, by Class [Line Items] | ||
| Weighted-average amortization period (in years) | 3 | 5 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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- Definition The calculated weighted-average useful life of all finite-lived intangible assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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