Derivatives and Hedging Activities - Summary of Effect of Derivative Instruments on Income (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]
Cost of sales	$ 526.2	$ 537.9	$ 1,566.9	$ 1,567.4
Amount of loss reclassified from AOCI to income	(0.7)	(4.2)	(3.9)	(7.4)
Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Total loss	(0.7)	(4.2)	(3.9)	(7.4)
Commodity contracts \| Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of loss reclassified from AOCI to income	$ (0.7)	$ (4.2)	$ (3.9)	$ (7.4)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
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Other costs incurred during the reporting period related to other revenue generating activities.

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