Derivatives And Hedging Activities (Fair Value Of Outstanding Derivative Contracts Recorded In Balance Sheets) (Details) (USD $) In Millions	Sep. 30, 2011	Jun. 30, 2011
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Asset	$ 4.8	$ 20.0
Derivatives designated as hedging instruments, Liability	50.9	14.1
Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Asset	2.7	6.2
Other Current Assets [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Asset	0.9	0.8
Other Current Assets [Member] | Foreign Exchange Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Asset	1.8
Other Current Assets [Member] | Commodity Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Asset		5.4
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Asset	2.1	13.8
Other Assets [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Asset	2.1	2.0
Other Assets [Member] | Commodity Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Asset		11.8
Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Liability	24.7	7.7
Accrued Liabilities [Member] | Foreign Exchange Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Liability		0.9
Accrued Liabilities [Member] | Commodity Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Liability	24.7	6.8
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Liability	26.2	6.4
Other Liabilities [Member] | Commodity Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Liability	26.2	6.4
Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Asset	3.0	2.8
Foreign Exchange Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Asset	1.8
Derivatives designated as hedging instruments, Liability		0.9
Commodity Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments, Asset		17.2
Derivatives designated as hedging instruments, Liability	$ 50.9	$ 13.2