Derivatives and Hedging Activities - Narrative (Details) lb in Millions	12 Months Ended
	Jun. 30, 2023 USD ($) lb	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative contracts on a gross basis	$ 4,500,000
Derivative contracts liability on a gross basis	7,600,000
Cash collateral held by counterparties	0
Derivative gains included in AOCI	$ 3,800,000
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest expense	Interest expense	Interest expense
Commodity contracts | Cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amounts of raw materials to be purchased from forward contracts (in lbs) | lb	3.7
Forward interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, gain on derivative			$ 2,300,000
Forward interest rate swaps | Cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Net gains (loss) recorded recognized in interest expense	$ 0	$ 400,000	400,000
Forward interest rate swaps | Fair Value Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Net gains (loss) recorded recognized in interest expense	0	0	$ 400,000
Total notional amounts of interest rate contracts	$ 0	$ 0