For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of gain (loss) recognized in net periodic benefit (cost) credit from settlement and curtailment.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of realized and unrealized gain (loss) on investment.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Business Segments - Narrative (Details) $ in Thousands	12 Months Ended
Business Segments - Narrative (Details) $ in Thousands	Sep. 29, 2023 USD ($) segment	Sep. 30, 2022 USD ($)	Oct. 01, 2021 USD ($)	Apr. 06, 2023
Segment Reporting Information [Line Items]
Number of reportable segments \| segment	3
Gain on Equity Investments, net (see Note 1)	$ (427,803)	$ 0	$ (137,934)
Equity securities without readily determined fair value, recognized non-cash gain on price change			(137,900)
Loss on defined benefit pension plan termination	$ 0	0	60,864
AIM Services Co., Ltd \| AIM Services Co., Ltd
Segment Reporting Information [Line Items]
Ownership percentage	50.00%			50.00%
Gain on Equity Investments, net (see Note 1)	$ (427,800)
Cost of services provided (exclusive of depreciation and amortization) \| FSS United States
Segment Reporting Information [Line Items]
Gain on investments	$ 36,300	$ 19,000	$ 10,000
Food Services \| Sales Revenue, Segment \| Product Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	74.00%
Facilities & Other \| Sales Revenue, Segment \| Product Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	26.00%