Goodwill and Intangible Assets (Schedule Of Intangible Assets Subject To Amortization) (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2021	Oct. 01, 2021
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 1,798.3	$ 1,854.5
Accumulated Amortization	(166.7)	(155.9)
Net Carrying Amount	1,631.6	1,698.6
Total intangible assets, Net Carrying Amount	$ 1,631.6	1,698.6
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	2 years 3 months 18 days
Finite-Lived Intangible Assets, Gross	$ 154.6	174.3
Accumulated Amortization	(57.4)	(44.0)
Net Carrying Amount	$ 97.2	130.3
Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	2 years 6 months
Finite-Lived Intangible Assets, Gross	$ 61.4	48.4
Accumulated Amortization	(28.1)	(23.9)
Net Carrying Amount	33.3	24.5
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	594.9	594.9
Accumulated Amortization	0.0	0.0
Net Carrying Amount	$ 594.9	594.9
Developed Technology Rights
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	9 years 9 months 18 days
Finite-Lived Intangible Assets, Gross	$ 987.4	1,036.9
Accumulated Amortization	(81.2)	(88.0)
Net Carrying Amount	$ 906.2	$ 948.9