Composition Of Certain Financial Statement Captions (Schedule Of Prepaid Expenses And Other Current Assets) (Details) - USD ($) $ in Thousands	Mar. 27, 2020	Sep. 27, 2019
Composition Of Certain Financial Statement Captions [Abstract]
Prepaid assets	$ 27,803	$ 17,997
Other current assets	23,353	20,924
Income tax receivable	0	783
Prepaid expenses and other current assets	$ 51,156	$ 39,704

Composition Of Certain Financial Statement Captions [Abstract]

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- Definition

Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

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- Definition

Amount of current assets classified as other.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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-Name Accounting Standards Codification
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Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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