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Pension Benefit Obligations - Schedule of Multiemployer Pension Plans (Details) $ in Millions	12 Months Ended
	Sep. 27, 2024 USD ($) arrangement	Sep. 29, 2023 USD ($)	Sep. 30, 2022 USD ($)
Multiemployer Plan [Line Items]
Total Contributions by the Company	$ 54.0	$ 24.0	$ 41.0
IAMNPF
Multiemployer Plan [Line Items]
Total Contributions by the Company	$ 29.0	9.0	21.0
Surcharge Imposed	10.00%
Number of collective-bargaining arrangements requiring contributions | arrangement	40
Future employer contributions	$ 73.0
WCTPT
Multiemployer Plan [Line Items]
Total Contributions by the Company	$ 9.0	9.0	7.0
Number of collective-bargaining arrangements requiring contributions | arrangement	10
Future employer contributions	$ 40.0
Other
Multiemployer Plan [Line Items]
Total Contributions by the Company	$ 16.0	$ 6.0	$ 13.0

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Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan.

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Amount of cost for employer contribution required to be made in future period to multiemployer pension plan determined to be individually significant. Includes, but is not limited to, employer contribution required by collective-bargaining arrangement (CBA), statutory obligation, and other contractual obligation.

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