Derivatives and Hedging Activities (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
(Losses) gains related to cash flow hedges
Net derivative losses included in AOCI expected to be reclassified into earnings			$ 11.4
Cash flow hedges
(Losses) gains related to cash flow hedges
Amount of (Loss) Gain Reclassified from AOCI into Income (Effective Portion)	(2.7)	(7.0)	(0.3)	(14.7)
Amount of (Loss) Gain Reclassified from AOCI into Income (Ineffective Portion)	(0.6)	0.3	(0.2)	0.3
Changes in AOCI associated with derivative hedging activities
Balance, beginning	(10.6)	(37.9)	7.6	(41.5)
Current period changes in fair value, net of tax	(9.0)	(2.0)	(25.7)	(3.2)
Reclassification to earnings, net of tax	1.7	4.4	0.2	9.2
Balance, ending	(17.9)	(35.5)	(17.9)	(35.5)
Cash flow hedges \| Commodity Contracts \| Cost of Sales
(Losses) gains related to cash flow hedges
Amount of (Loss) Gain Reclassified from AOCI into Income (Effective Portion)	(3.5)	(6.8)	(1.5)	(14.4)
Amount of (Loss) Gain Reclassified from AOCI into Income (Ineffective Portion)	(0.6)	0.3	(0.2)	0.3
Cash flow hedges \| Foreign Currency Contracts \| Revenue
(Losses) gains related to cash flow hedges
Amount of (Loss) Gain Reclassified from AOCI into Income (Effective Portion)	0.7	(0.3)	1.0	(0.5)
Amount of (Loss) Gain Reclassified from AOCI into Income (Ineffective Portion)	0	0	0	0
Cash flow hedges \| Interest Rate Swaps \| Interest expenses
(Losses) gains related to cash flow hedges
Amount of (Loss) Gain Reclassified from AOCI into Income (Effective Portion)	0.1	0.1
Fair Value Hedging [Member] \| Interest Rate Swaps
(Losses) gains related to cash flow hedges
Amount of (Loss) Gain Reclassified from AOCI into Income (Effective Portion)			0.2	0.2
Amount of (Loss) Gain Reclassified from AOCI into Income (Ineffective Portion)	$ 0	$ 0	$ 0	$ 0

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Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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

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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 after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount after 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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