Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 5,130.0
Other comprehensive income (loss) before reclassifications	(51.2)	$ 28.8
Ending balance	4,773.3
Total
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(111.5)	(147.6)
Ending balance	(162.7)	(118.8)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(114.9)	(168.0)
Other comprehensive income (loss) before reclassifications	(54.8)	43.0
Ending balance	(169.7)	(125.0)
Pension Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		0.3
Other comprehensive income (loss) before reclassifications		0.0
Ending balance		0.3
Available-For-Sale Debt Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	1.6
Other comprehensive income (loss) before reclassifications	(1.3)
Ending balance	0.3
Hedged Interest Rate Swaps | Interest Rate Swap
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	1.8	20.1
Other comprehensive income (loss) before reclassifications	4.9	(14.2)
Ending balance	$ 6.7	$ 5.9