Composition Of Certain Financial Statement Captions (Schedule Of Accrued Liabilities) (Details) (USD $) In Thousands | Sep. 30, 2011 | Sep. 24, 2010 |
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| Composition Of Certain Financial Statement Captions [Abstract] | ||
| Accrued royalties | $ 1,947 | $ 4,140 |
| Amounts payable to joint licensing program partners | 42,502 | 42,837 |
| Accrued compensation and benefits | 41,168 | 62,044 |
| Accrued professional fees | 5,727 | 8,078 |
| Current portion of litigation settlement (see Note 12) | 2,890 | |
| Other accrued liabilities | 25,691 | 24,619 |
| Accrued liabilities | $ 117,035 | $ 144,608 |
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- Definition Amounts Payable To Joint Licensing Program Partners
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- Definition Composition Of Certain Financial Statement Captions [Abstract]
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- Definition Current Portion Of Litigation Settlement
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- Definition Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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