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Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 28, 2025	Sep. 29, 2024	Oct. 01, 2023
Debt Securities, Available-for-sale [Abstract]
Proceeds from sale of available-for-sale securities	$ 1.1	$ 1.3	$ 2.5
Trading Securities [Abstract]
Management Deferred Compensation Plan liability	$ 115.6	$ 112.3
Maximum [Member]
Debt Securities, Available-for-sale [Abstract]
Long-term investments, contractual maturity period	5 years

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- Definition

Long-Term Investment, Contractual Maturity Period

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

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-Topic 710
-SubTopic 10
-Name Accounting Standards Codification
-Section 25
-Paragraph 9
-Publisher FASB
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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
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