Stockholders' Equity And Stock-Based Compensation (Schedule Of Stock-Based Compensation Expense By Plan) (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 27, 2024	Sep. 29, 2023	Sep. 30, 2022
Stockholders' Equity And Stock-Based Compensation [Line Items]
Allocated Share-based Compensation Expense	$ 119,825	$ 118,486	$ 114,925
Share based compensation expense	119,825	118,486	114,925
Benefit from income taxes	(17,290)	(17,844)	(17,581)
Allocated Share-based Compensation Expense, Net of Tax	102,535	100,642	97,344
Stock Option [Member]
Stockholders' Equity And Stock-Based Compensation [Line Items]
Share based compensation expense	6,726	8,486	10,244
Restricted Stock Units [Member]
Stockholders' Equity And Stock-Based Compensation [Line Items]
Share based compensation expense	109,031	105,915	98,433
Capitalized stock-based compensation	600	1,200	700
Employee Stock Purchase Plan [Member]
Stockholders' Equity And Stock-Based Compensation [Line Items]
Share based compensation expense	$ 4,068	$ 4,085	$ 6,248

Stockholders' Equity And Stock-Based Compensation [Line Items]

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
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-Topic 718
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-Section 50
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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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