Restructuring And Related Charges (Rollforward Of Restructuring Accrual) (Details) $ in Millions	3 Months Ended
	Dec. 30, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Accrual balance at beginning	$ 7.8
Provisions	2.9
Cash expenditures	(1.7)
Non-cash items	(0.4)
Accrual balance at ending	8.6
Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Accrual balance at beginning	3.1
Provisions	0.9
Cash expenditures	(0.8)
Non-cash items	(0.3)
Accrual balance at ending	2.9
Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Accrual balance at beginning	4.7
Provisions	2.0
Cash expenditures	(0.9)
Non-cash items	(0.1)
Accrual balance at ending	$ 5.7