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Stockholders' Equity And Stock-Based Compensation (Summary Of Weighted-Average Fair Value Of Stock Options Granted And Total Intrinsic Value Of Stock Options Exercised) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 26, 2025	Sep. 27, 2024	Sep. 29, 2023
Stockholders' Equity And Stock-Based Compensation [Abstract]
Weighted-average fair value at date of grant	$ 21.61	$ 24.12	$ 19.15
Intrinsic value of options exercised	$ 13,129	$ 14,224	$ 22,736

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- Definition

Stockholders Equity And Stock-Based Compensation Abstract

+ References

No definition available.

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

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

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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

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