Goodwill and Intangible Assets, Intangible Assets Excluding Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 03, 2025	Sep. 27, 2024
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (757.3)	$ (589.5)
Total intangible assets, gross carrying amount	1,566.3	1,490.0
Total intangible assets, net carrying amount	$ 809.0	900.5
Developed technology and other
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period (years)	6 years 4 months 24 days
Finite-lived intangible assets, gross	$ 1,396.5	1,379.6
Accumulated amortization	(678.5)	(540.7)
Net carrying amount	$ 718.0	838.9
Technology licenses
Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period (years)	3 years 1 month 6 days
Finite-lived intangible assets, gross	$ 167.0	75.0
Accumulated amortization	(78.8)	(48.8)
Net carrying amount	88.2	26.2
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross	2.8	35.4
Accumulated amortization	0.0	0.0
Net carrying amount	$ 2.8	$ 35.4