Derivatives and Hedging Activities - Summary of the gains (losses) related to cash flow hedges (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Recognized in AOCI on Derivatives	$ 13.8	$ 40.5
Amount of Gain Reclassified from AOCI into Income	2.9	5.3
Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Recognized in AOCI on Derivatives	13.8	39.8
Commodity contracts | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from AOCI into Income	2.8	4.8
Commodity contracts | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from AOCI into Income	0.0	0.0
Commodity contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from AOCI into Income	0.0	0.0
Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Recognized in AOCI on Derivatives	0.0	0.7
Foreign exchange contracts | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from AOCI into Income	0.0	0.0
Foreign exchange contracts | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from AOCI into Income	0.0	0.4
Foreign exchange contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from AOCI into Income	0.0	0.0
Forward interest rate swaps | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from AOCI into Income	0.0	0.0
Forward interest rate swaps | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from AOCI into Income	0.0	0.0
Forward interest rate swaps | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Reclassified from AOCI into Income	$ 0.1	$ 0.1