Employee Benefit Plans (Schedule Of Fair Value, Investments, Entities that Calculate Net Asset Value (Details) - Pension Plan - USD ($) $ in Thousands	12 Months Ended
Sep. 27, 2025	Sep. 28, 2024
Defined Benefit Plan Disclosure
Total investments at fair value - NAV	$ 579,818
Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Total investments at fair value - NAV	455,393	$ 122,933
Unfunded Commitments	3,273
Collective investment trusts
Defined Benefit Plan Disclosure
Unfunded Commitments	0
Collective investment trusts \| Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Investment at fair value	$ 446,595	111,831
Collective investment trusts \| Minimum
Defined Benefit Plan Disclosure
Redemption Notice Period	1 day
Collective investment trusts \| Maximum
Defined Benefit Plan Disclosure
Redemption Notice Period	5 days
Limited Partnerships
Defined Benefit Plan Disclosure
Unfunded Commitments	$ 3,273
Limited Partnerships \| Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Investment at fair value	$ 8,798	$ 11,102
Limited Partnerships \| Minimum
Defined Benefit Plan Disclosure
Redemption Notice Period	10 days
Limited Partnerships \| Maximum
Defined Benefit Plan Disclosure
Redemption Notice Period	45 days

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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