Commitments And Contingencies (Schedule Of Contractual Obligations And Commitments) (Details) $ in Thousands	12 Months Ended
Sep. 26, 2025 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Naming rights, Fiscal 2021	$ 13,472
Naming rights, Fiscal 2022	8,534
Naming rights, Fiscal 2023	8,642
Naming rights, Fiscal 2024	8,751
Naming rights, Fiscal 2025	8,862
Naming rights, Thereafter	18,060
Naming rights, Total	66,321
Purchase obligations
Purchase Obligation, Fiscal 2021	36,917
Purchase Obligation, Fiscal 2022	31,663
Purchase Obligation, Fiscal 2023	19,681
Purchase Obligation, Fiscal 2024	19,208
Purchase Obligation, Fiscal 2025	19,208
Purchase Obligation, Thereafter	0
Unrecorded Unconditional Purchase Obligation	126,677
Donation commitments
Donation commitments, Fiscal 2021	183
Donation commitments, Fiscal 2022	153
Donation commitments, Fiscal 2023	153
Donation commitments, Fiscal 2024	153
Donation commitments, Fiscal 2025	153
Donation commitments, Thereafter	431
Donation commitments, Total	1,226
Total
Total, due in Fiscal 2021	50,572
Total, due in Fiscal 2022	40,350
Total, due in Fiscal 2023	28,476
Total, due in Fiscal 2024	28,112
Total, due in Fiscal 2025	28,223
Total, due Thereafter	18,491
Total due	$ 194,224
Naming Rights
Other Commitments [Line Items]
Term of agreement	20 years
Donation Commitments
Other Commitments [Line Items]
Term of agreement	15 years

Total operating leases and purchase obligations due.

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Total operating leases and purchase obligations due in five years.

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Total operating leases and purchase obligations due in four years.

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Total operating leases and purchase obligations due in three years.

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Total operating leases and purchase obligations due in two years.

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Total operating leases and purchase obligations due thereafter.

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Total operating leases and purchase obligations due within one year.

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Unrecorded Unconditional Donation Obligation

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Unrecorded Unconditional Donation Obligation, Due after Five Years

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Unrecorded Unconditional Donation Obligation, Due in Next Twelve Months

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Unrecorded Unconditional Donation Obligation, Due within Five Years

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Unrecorded Unconditional Donation Obligation, Due within Four Years

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Unrecorded Unconditional Donation Obligation, Due within Three Years

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Unrecorded Unconditional Donation Obligation, Due within Two Years

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Unrecorded Unconditional Obligation, Balance on Fifth Anniversary

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Unrecorded Unconditional Obligation, Balance on Fourth Anniversary

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Unrecorded Unconditional Obligation, Balance on Second Anniversary

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Unrecorded Unconditional Obligation, Balance on Third Anniversary

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Unrecorded Unconditional Obligation, Balance Sheet Amount

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Unrecorded Unconditional Obligation Balance on First Anniversary

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Unrecorded Unconditional Obligation, Due After Five Years

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Unrecorded Unconditional Obligation, Term of Agreement

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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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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482648/440-10-50-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

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Amount of unrecorded obligation to transfer funds in future for fixed or minimum amount or quantity of product and service at fixed or minimum price. Includes, but is not limited to, lease not yet commenced and take-or-pay and throughput contracts.

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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482648/440-10-50-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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