Derivatives and Hedging Activities (Details) (USD $) In Millions, unless otherwise specified																							3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2013 Fixed rate notes	Jun. 30, 2013 Fixed rate notes	Dec. 31, 2013 Foreign Currency Contracts	Jun. 30, 2013 Foreign Currency Contracts	Dec. 31, 2013 Commodity Contracts	Jun. 30, 2013 Commodity Contracts	Dec. 31, 2013 Other current assets	Jun. 30, 2013 Other current assets	Dec. 31, 2013 Other current assets Foreign Currency Contracts	Jun. 30, 2013 Other current assets Foreign Currency Contracts	Dec. 31, 2013 Accrued liabilities	Jun. 30, 2013 Accrued liabilities	Dec. 31, 2013 Accrued liabilities Foreign Currency Contracts	Jun. 30, 2013 Accrued liabilities Foreign Currency Contracts	Dec. 31, 2013 Accrued liabilities Commodity Contracts	Jun. 30, 2013 Accrued liabilities Commodity Contracts	Dec. 31, 2013 Other liabilities	Jun. 30, 2013 Other liabilities	Dec. 31, 2013 Other liabilities Commodity Contracts	Jun. 30, 2013 Other liabilities Commodity Contracts	Dec. 31, 2013 Fair Value Hedging Interest Rate Swaps	Dec. 31, 2012 Fair Value Hedging Interest Rate Swaps	Dec. 31, 2013 Fair Value Hedging Interest Rate Swaps	Dec. 31, 2012 Fair Value Hedging Interest Rate Swaps	Dec. 31, 2013 Cash flow hedges	Dec. 31, 2012 Cash flow hedges	Dec. 31, 2013 Cash flow hedges	Dec. 31, 2012 Cash flow hedges	Dec. 31, 2012 Cash flow hedges Interest Rate Swaps	Mar. 31, 2012 Cash flow hedges Interest Rate Swaps	Dec. 31, 2013 Cash flow hedges Interest Rate Swaps	Dec. 31, 2012 Cash flow hedges Interest Rate Swaps	Dec. 31, 2013 Cash flow hedges Foreign Currency Contracts	Dec. 31, 2012 Cash flow hedges Foreign Currency Contracts	Dec. 31, 2013 Cash flow hedges Foreign Currency Contracts	Dec. 31, 2012 Cash flow hedges Foreign Currency Contracts	Dec. 31, 2013 Cash flow hedges Commodity Contracts lb	Dec. 31, 2012 Cash flow hedges Commodity Contracts	Dec. 31, 2013 Cash flow hedges Commodity Contracts lb	Dec. 31, 2012 Cash flow hedges Commodity Contracts
Fair value of derivatives
Amounts of raw materials to be purchased from forward contracts																																							35,100,000		35,100,000
Issuance of fixed rate notes			$ 300.0	$ 300.0
Term of notes																																	10 years
Outstanding derivative contracts																							0		0
Amount of (Loss) Gain Recognized in AOCI on Derivatives (Effective Portion)																											(3.3)	(29.1)	(5.2)	(6.9)	0.8	2.7		(0.9)	(0.3)	0.7	(0.8)	0.6	(3.0)	(30.6)	(4.4)	(6.6)
Net gains recorded as a reduction to interest expense																							0	0.4	0	0.9
Derivatives designated as hedging instruments, Asset	0.3	0.9			0.3	0.9			0.3	0.9	0.3	0.9
Derivatives designated as hedging instruments, Liability	$ 63.9	$ 73.1			$ 0.8	$ 0.4	$ 63.1	$ 72.7					$ 29.6	$ 29.1	$ 0.8	$ 0.4	$ 28.8	$ 28.7	$ 34.3	$ 44.0	$ 34.3	$ 44.0