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Derivatives and Hedging Activities - Narrative (Details) lb in Millions | 12 Months Ended
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Jun. 30, 2024 USD ($) lb | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($)
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest Expense, Nonoperating | Interest Expense, Nonoperating | Interest Expense, Nonoperating
Derivative contracts on a gross basis | $ 200,000 |  |
Derivative contracts liability on a gross basis | 6,000,000.0 |  |
Cash collateral held by counterparties | 0 |  |
Derivative losses included in AOCI | $ 1,500,000 |  |
Commodity contracts | Cash flow hedges |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amounts of raw materials to be purchased from forward contracts (in lbs) | lb | 2.0 |  |
Forward interest rate swaps | Cash flow hedges |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net gains (loss) recorded recognized in interest expense | $ 0.0 | $ 0.0 | $ 400,000

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