Derivatives (Summary Of Loss Associated With Derivative Contracts Not Designated As Hedges) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI	$ 9.1	$ (18.4)	$ 23.6	$ (19.2)
Effective Portion, Gain (Loss) Reclassified to Operations	2.9	(4.3)	5.7	(3.9)
Discontinued Operations [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) Reclassified to Operations	(1.9)	1.1	(1.7)	(1.8)
Ineffective Portion, Gain (Loss) to Operations		0.6	1.7	0.6
Other Non-Operating [Member] | Net Investment Hedge [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI	8.8	(15.2)	17.8	(21.8)
Interest Rate Swaps [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI		1.7	(0.6)	3.8
Interest Rate Swaps [Member] | Interest Expense [Member] | Discontinued Operations [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) Reclassified to Operations		0.7	2.2	0.4
Ineffective Portion, Gain (Loss) to Operations		0.6	1.7	0.6
Commodity Swaps [Member] | Cost of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI	0.5	(0.5)	(0.6)	1.2
Effective Portion, Gain (Loss) Reclassified to Operations	(0.1)	0.2	(0.2)	0.6
Commodity Swaps [Member] | Cost of Goods Sold [Member] | Discontinued Operations [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) Reclassified to Operations	(1.9)	1.3	(4.4)	2.5
Foreign Exchange Contracts [Member] | Net Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI	(0.1)	(0.1)	(0.2)
Effective Portion, Gain (Loss) Reclassified to Operations	(0.1)		(0.1)	0.1
Foreign Exchange Contracts [Member] | Cost of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI	(0.1)	(4.3)	7.2	(2.4)
Effective Portion, Gain (Loss) Reclassified to Operations	$ 3.1	(4.5)	6.0	(4.6)
Foreign Exchange Contracts [Member] | Cost of Goods Sold [Member] | Discontinued Operations [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) Reclassified to Operations		$ (0.9)	$ 0.5	$ (4.7)