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Borrowings and Credit Arrangements - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 30, 2022	Apr. 01, 2023	Mar. 26, 2022	Apr. 01, 2023	Mar. 26, 2022	Sep. 24, 2022	Sep. 27, 2021
Debt Instrument [Line Items]
Debt extinguishment losses		$ 0.0	$ 0.0	$ 0.0	$ 0.7
Interest Rate Swap
Debt Instrument [Line Items]
Derivative notional amount		$ 1,000.0		$ 1,000.0		$ 1,000.0
Variable interest rate		1.23%		1.23%		1.23%
Proceeds from Derivative Instrument, Financing Activities		$ 8.6		$ 15.2
Secured Term Loan | 2021 Term Loan
Debt Instrument [Line Items]
Senior notes, face amount		1,500.0		1,500.0			$ 1,500.0
Revolver | 2021 Revolver
Debt Instrument [Line Items]
Revolving credit facility borrowings							$ 2,000.0
Term Loan | 2021 Credit Agreement
Debt Instrument [Line Items]
Debt extinguishment losses		0.7
Debt Issuance Costs, Net		7.0		7.0
Senior Notes | 2028 Senior Notes
Debt Instrument [Line Items]
Senior notes, face amount		$ 400.0		$ 400.0
Stated interest rate		4.625%		4.625%
Senior Notes | 2029 Senior Notes
Debt Instrument [Line Items]
Stated interest rate		3.25%		3.25%
Senior notes		$ 950.0		$ 950.0
Asset Securitization
Debt Instrument [Line Items]
Repayments of Other Debt	$ 248.5

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