Borrowings - Narrative (Details) $ in Millions				9 Months Ended
Borrowings - Narrative (Details) $ in Millions	Apr. 01, 2025 EUR (€)	Feb. 18, 2025 USD ($)	Oct. 02, 2023 USD ($)	Jun. 28, 2024 USD ($)	Jun. 27, 2025 USD ($)	Mar. 19, 2025 EUR (€)	Mar. 27, 2024 USD ($)
Secured Debt
Debt Instrument [Line Items]
Debt issuance costs, gross							$ 0.4
Interest Expense, Debt				$ 1.6
Secured Debt \| Interest and Other Financing Costs, Net
Debt Instrument [Line Items]
Write off of deferred debt issuance cost				1.2
3.125% Senior Unsecured Notes (EUR) due April 2025 \| Senior Notes
Debt Instrument [Line Items]
Interest rate stated percentage	3.125%
Repayments of long-term debt \| €	€ 325,000,000.0
4.375% Senior Unsecured Notes (EUR) due April 2033 \| Senior Notes
Debt Instrument [Line Items]
Interest rate stated percentage						4.375%
Debt instrument, face amount \| €						€ 400,000,000.0
4.375% Senior Unsecured Notes (EUR) due April 2033 \| Senior Notes \| Long-Term Debt
Debt Instrument [Line Items]
Debt issuance costs, gross \| €						€ 4,400,000
Term Loan B-4, Due January 2027 \| Senior Notes
Debt Instrument [Line Items]
Repayments of long-term debt		$ 839.3
Debt instrument, face amount		$ 551.5
Redemption price, percentage		100.00%
Term Loan B-4, Due January 2027 \| New Term Loan \| Interest and Other Financing Costs, Net
Debt Instrument [Line Items]
Write off of deferred debt issuance cost		$ 2.5
5.000% Senior Unsecured Notes due April 2025 \| New Term Loan
Debt Instrument [Line Items]
Debt issuance costs, gross		$ 5.8
US Term B-8 Loans, Due June 2030 \| Secured Debt \| Fed Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate		0.50%
U.S. Term B-8 Loans Due 2030 \| Secured Debt
Debt Instrument [Line Items]
Debt issuance costs, gross							0.9
Debt instrument, covenant, quarterly installment payments					$ 6.3
Debt instrument, covenant, installment payment due at maturity					$ 2,346.4
Term Loans B-8, Due June 2030 \| New Term Loan
Debt Instrument [Line Items]
Debt issuance costs, gross		$ 4.6
Term Loan B-4, Due January 2027 and 5.000% Senior Notes \| New Term Loan
Debt Instrument [Line Items]
Debt issuance costs, gross		8.3
U.S. Term B-7 Loans Due 2028 \| Secured Debt
Debt Instrument [Line Items]
Debt issuance costs, gross							0.9
6.375% Senior Notes Due 2025 \| Senior Notes
Debt Instrument [Line Items]
Interest rate stated percentage					6.375%
Repayments of debt			$ 1,500.0
6.375% Senior Notes Due 2025 \| Senior Notes \| Interest and Other Financing Costs, Net
Debt Instrument [Line Items]
Call premium				23.9
6.375% Senior Notes Due 2025 \| Senior Notes \| Interest Expense, net
Debt Instrument [Line Items]
Write off of deferred debt issuance cost				7.9
Interest expense, net				$ 31.8
Revolving Credit Facility
Debt Instrument [Line Items]
Remaining borrowing capacity					$ 906.5
Receivable Facility, Due July 2026
Debt Instrument [Line Items]
Remaining borrowing capacity					30.0
New U.S. Term B-8 Loans due 2030 \| 5.000% Senior Unsecured Notes due April 2025 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt		$ 1,395.0
Term Loan Facility, US Term Loan, Due 2030 \| Term B-8 Loans \| Secured Debt \| Base Rate or Canadian Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%
Term Loan Facility, US Term Loan, Due 2030 \| Term B-8 Loans \| Secured Debt \| Margin Rate
Debt Instrument [Line Items]
Basis spread on variable rate		2.00%
U.S. Term B-7 Loans Due 2028 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt							730.5
U.S. Term B-8 Loans Due 2030 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt							$ 1,094.5
Foreign
Debt Instrument [Line Items]
Long-term debt					$ 1,058.7

Aramark 10-Q