Segment Reporting (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2022	Jun. 27, 2021	Jul. 03, 2022	Jun. 27, 2021
Segment Reporting Information [Line Items]
Segment Reporting, Factors Used to Identify Entity's Reportable Segments			Segment information is prepared on the same basis that our interim chief executive officer, who is our chief operating decision maker, manages the segments, evaluates financial results and makes key operating decisions.
Income from equity investees	$ 54.1	$ 105.5	$ 143.5	$ 265.3
Operating Segments [Member] | Channel Development [Member]
Segment Reporting Information [Line Items]
Income from equity investees	53.7	63.5	141.9	170.3
Operating Segments [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Income from equity investees	$ 0.0	$ 0.0	$ 0.0	$ 0.0