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Business Segments - Narrative (Details) $ in Millions	9 Months Ended
	Jun. 28, 2024 segment	Jun. 30, 2023 USD ($) nationalPark
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
FSS United States
Segment Reporting Information [Line Items]
Possessory interest in national park service sites | nationalPark		1
Cost of services provided | FSS United States
Segment Reporting Information [Line Items]
Proceeds from recovery of investment | $		$ 19.8
Food Services | Sales | Product Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	74.00%
Facilities & Other | Sales | Product Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	26.00%

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