Restructuring And Related Charges (Summary Of Restructuring And Related Charges) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 12.2	$ 20.7	$ 61.6	$ 42.2
Global productivity improvement plan
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	12.2	19.6	60.1	38.1
Other restructuring activities
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	0.0	1.1	1.5	4.1
Cost of goods sold
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	(0.3)	0.5	12.5	1.5
Operating expense
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 12.5	$ 20.2	$ 49.1	$ 40.7