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Composition Of Certain Financial Statement Captions (Schedule Of Other Non-Current Liabilities) (Details) - USD ($) $ in Thousands	Sep. 26, 2025	Sep. 27, 2024	Aug. 19, 2024
Composition Of Financial Statements [Line Items]
Supplemental retirement plan obligations	$ 5,315	$ 4,946
Non-current tax liabilities	46,159	78,355
Other liabilities	48,369	52,551
Other non-current liabilities	$ 99,843	$ 135,852
GE Licensing
Composition Of Financial Statements [Line Items]
Contingent liabilities			$ 14,199

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Composition Of Financial Statements [Line Items]

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Non-Current Tax Liabilities

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Amount of preacquisition contingent liability assumed in business combination and recognized at acquisition date.

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-Topic 805
-SubTopic 20
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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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-Topic 210
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Amount of liability, classified as noncurrent, for retirement benefits, classified as other.

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Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are expected to be paid after one year (or the normal operating cycle, if longer), from the balance sheet date.

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