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Derivatives and Hedging Activities - Summary of Effect of Derivative Instruments on Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Cost of sales | $ 537.9 | $ 596.6 | $ 1,567.4 | $ 1,573.9
Amount of (loss) gain reclassified from AOCI to income | (4.2) | 1.0 | (7.4) | 8.9
Cost of sales |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Total (loss) gain | (4.2) | 1.0 | (7.4) | 8.9
Commodity contracts | Cost of sales |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of (loss) gain reclassified from AOCI to income | $ (4.2) | $ 1.0 | $ (7.4) | $ 8.9

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