Derivatives (Schedule Of Notional Amounts And Fair Values Of Derivatives) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended			6 Months Ended
	May 31, 2013	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016	Oct. 01, 2015	Sep. 30, 2011
Derivatives, Fair Value [Line Items]
Forward Contract Indexed to Issuer's Equity, Classification		40
Derivative, Fixed Interest Rate	0.73%							1.104%
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net		$ (0.6)		$ (0.7)	$ (0.4)	$ (1.7)
Notional Amount		702.5			702.5		$ 468.7
Asset (Liability)		14.9			14.9		(6.6)
Unrealized Gain (Loss) on Derivatives and Commodity Contracts		20.3
Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Notional Amount		346.8			346.8		84.2
Asset (Liability)		19.6			19.6		0.1
Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Notional Amount		355.7			355.7		384.5
Asset (Liability)		(4.7)			(4.7)		(6.7)
Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Amount Of Debt Hedged By Interest Rate Derivatives	$ 100.0		$ 100.0
Derivative, Fixed Interest Rate									1.30%
Interest Rate Contract [Member] | Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability		0.0			0.0		(1.3)
Derivative Asset, Fair Value, Gross Asset		0.5			0.5		0.0
Derivative Liability, Notional Amount		0.0			0.0		200.0
Derivative Asset, Notional Amount		200.0			200.0		0.0
Foreign Exchange Contracts [Member] | Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability		(1.7)			(1.7)		(1.4)
Derivative Asset, Fair Value, Gross Asset		1.6			1.6		1.5
Derivative Liability, Notional Amount		38.8			38.8		48.0
Derivative Asset, Notional Amount		108.0			108.0		36.2
Foreign Exchange Contracts [Member] | Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability		(7.6)			(7.6)		(8.9)
Derivative Asset, Fair Value, Gross Asset		2.4			2.4		3.5
Derivative Liability, Notional Amount		95.8			95.8		103.3
Derivative Asset, Notional Amount		59.9			59.9		81.2
Forward Contracts [Member] | Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset		19.7			19.7		0.0
Derivative Asset, Notional Amount		$ 200.0			$ 200.0		0.0
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Contract [Member]
Derivatives, Fair Value [Line Items]
Notional Amount							$ 100.0