Derivatives (Summary Of Loss Associated With Derivative Contracts Not Designated As Hedges) (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI	$ 16.4	$ (31.6)	$ 11.1
Effective Portion, Gain (Loss) Reclassified to Operations	(8.5)	5.7	3.1
Discontinued Operations [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) Reclassified to Operations	1.6	5.1	(2.0)
Ineffective Portion, Gain (Loss) to Operations	1.2
Other Non-Operating [Member] \| Net Investment Hedge [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI	6.2	(24.0)	0.6
Interest Rate Swaps [Member] \| Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI	4.0	(0.7)	(0.4)
Effective Portion, Gain (Loss) Reclassified to Operations		(1.3)	(1.9)
Interest Rate Swaps [Member] \| Interest Expense [Member] \| Discontinued Operations [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) Reclassified to Operations	1.1
Ineffective Portion, Gain (Loss) to Operations	1.2
Commodity Swaps [Member] \| Cost of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI	(4.5)	6.2	4.5
Effective Portion, Gain (Loss) Reclassified to Operations	0.7	0.7	(1.4)
Commodity Swaps [Member] \| Cost of Goods Sold [Member] \| Discontinued Operations [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) Reclassified to Operations	2.4	4.7	(2.3)
Foreign Exchange Contracts [Member] \| Net Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI	(0.1)	0.4	(0.4)
Effective Portion, Gain (Loss) Reclassified to Operations	0.1	(0.1)	(0.2)
Foreign Exchange Contracts [Member] \| Cost of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion, Gain (Loss) in OCI	10.8	(13.5)	6.8
Effective Portion, Gain (Loss) Reclassified to Operations	(9.3)	6.4	6.6
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	$ (1.9)	$ 0.4	$ 0.3

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

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-Publisher FASB
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- Definition

The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

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Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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