Derivatives and Hedging Activities (Details 2) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
(Losses) gains related to cash flow hedges
Net derivative gains included in AOCI expected to be reclassified into earnings	$ 27,700,000
Changes in AOCI associated with derivative hedging activities
Derivative Contracts Asset Value if Presented on Gross Basis	7,700,000
Derivative Contracts Liability Value if Presented on Gross Basis	56,800,000
Cash collateral held by counterparties	0
Cash flow hedges
(Losses) gains related to cash flow hedges
Amount of (Loss) Gain Reclassified from AOCI into Income (Effective Portion)	(15,800,000)	$ (20,900,000)	$ (24,600,000)
Amount of Loss Reclassified from AOCI into Income (Ineffective Portion)	(2,200,000)	(300,000)	0
Changes in AOCI associated with derivative hedging activities
Balance, beginning	7,600,000	(41,500,000)	(32,800,000)
Current period changes in fair value, net of tax	(46,000,000)	36,000,000	(24,200,000)
Reclassification to earnings, net of tax	9,900,000	13,100,000	15,500,000
Balance, ending	(28,500,000)	7,600,000	(41,500,000)
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)	(18,500,000)	(20,500,000)	(24,900,000)
Amount of Loss Reclassified from AOCI into Income (Ineffective Portion)	(2,200,000)	(300,000)	0
Cash flow hedges | Foreign exchange contracts | Net sales
(Losses) gains related to cash flow hedges
Amount of (Loss) Gain Reclassified from AOCI into Income (Effective Portion)	2,300,000	(800,000)	100,000
Amount of Loss Reclassified from AOCI into Income (Ineffective Portion)	0	0	0
Cash flow hedges | Forward interest rate swaps | Interest expense
(Losses) gains related to cash flow hedges
Amount of (Loss) Gain Reclassified from AOCI into Income (Effective Portion)	400,000	400,000	200,000
Amount of Loss Reclassified from AOCI into Income (Ineffective Portion)	$ 0	$ 0	$ 0