Income Taxes (Aggregate Changes In Balance Of Gross Unrecognized Tax Benefits, Excluding Interest And Penalties) (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 26, 2025	Sep. 27, 2024	Sep. 29, 2023
Income Tax Disclosure [Abstract]
Unrecognized tax benefits if recognized, would affect our effective tax rate	$ 28,100
Unrecognized Tax Benefits [Roll Forward]
Unrecognized Tax Benefits, Beginning Balance	81,615	$ 76,304	$ 69,682
Increases in balances related to tax positions taken during prior years	15,687	2,346	219
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	(1,946)	0	(1,143)
Increases in balances related to tax positions taken during the current year	7,514	10,626	7,546
Settlements	(116)	(343)	0
Lapse of statute of limitations	(19,088)	(7,318)	0
Unrecognized Tax Benefits, Ending Balance	$ 83,666	$ 81,615	$ 76,304

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-217

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482525/740-10-45-10B

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 15A
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-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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