Goodwill and Intangible Assets, Intangible Assets Excluding Goodwill (Details) - USD ($) $ in Millions	9 Months Ended
	Jun. 28, 2024	Sep. 29, 2023
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (542.5)	$ (415.4)
Total intangible assets, gross carrying amount	1,618.1	1,637.5
Total intangible assets, net carrying amount	$ 1,075.6	1,222.1
Developed technology and other
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period (years)	6 years 3 months 18 days
Finite-lived intangible assets, gross	$ 1,379.6	1,290.4
Accumulated amortization	(500.4)	(379.4)
Net carrying amount	$ 879.2	911.0
Technology licenses
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period (years)	3 years 1 month 6 days
Finite-lived intangible assets, gross	$ 72.5	75.8
Accumulated amortization	(42.1)	(36.0)
Net carrying amount	30.4	39.8
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross	166.0	271.3
Accumulated amortization	0.0	0.0
Net carrying amount	$ 166.0	$ 271.3