Disclosures About Derivative Instruments and Hedging Activities (Details 1) (USD $) In Millions	Jun. 30, 2011	Jun. 30, 2010
Balance sheet location and fair value of derivative assets and liabilities
Total Derivatives Assets	$ 15.7	$ 20.6
Total Derivatives Liability	(33.5)	(60.0)
Commodity Contracts [Member] | Designated as Hedging Instrument [Member] | Derivative Financial Instruments and Other Assets [Member]
Balance sheet location and fair value of derivative assets and liabilities
Total Derivatives Assets	6.0	0.3
Commodity Contracts [Member] | Designated as Hedging Instrument [Member] | Derivative Financial Instruments And Other Noncurrent Liabilities [Member]
Balance sheet location and fair value of derivative assets and liabilities
Total Derivatives Liability	(12.6)	(42.8)
Foreign currency contracts [Member] | Designated as Hedging Instrument [Member] | Derivative Financial Instruments and Other Assets [Member]
Balance sheet location and fair value of derivative assets and liabilities
Total Derivatives Assets	0	16.9
Foreign currency contracts [Member] | Designated as Hedging Instrument [Member] | Derivative Financial Instruments Other Noncurrent Liabilities [Member]
Balance sheet location and fair value of derivative assets and liabilities
Total Derivatives Liability	(6.1)	0
Interest Rate Contracts [Member] | Designated as Hedging Instrument [Member] | Derivative Financial Instruments and Other Assets [Member]
Balance sheet location and fair value of derivative assets and liabilities
Total Derivatives Assets	5.0	0
Interest Rate Contracts [Member] | Designated as Hedging Instrument [Member] | Derivative Financial Instruments And Other Noncurrent Liabilities [Member]
Balance sheet location and fair value of derivative assets and liabilities
Total Derivatives Liability	(3.6)	(16.4)
Designated as Hedging Instrument [Member]
Balance sheet location and fair value of derivative assets and liabilities
Total Derivatives Assets	11.0	17.2
Total Derivatives Liability	(22.3)	(59.2)
Commodity Contracts [Member] | Derivatives Not Designated as Hedging Instruments [Member] | Derivative Financial Instruments [Member]
Balance sheet location and fair value of derivative assets and liabilities
Total Derivatives Assets	4.5	2.8
Commodity Contracts [Member] | Accounted For Under ASC 980 [Member] | Derivative Financial Instruments And Other Noncurrent Liabilities [Member]
Balance sheet location and fair value of derivative assets and liabilities
Total Derivatives Liability	(11.2)	(0.8)
Commodity Contracts [Member] | Accounted For Under ASC 980 [Member] | Derivative Financial Instruments [Member]
Balance sheet location and fair value of derivative assets and liabilities
Total Derivatives Assets	$ 0.2	$ 0.6