Environmental Matters (Details) - USD ($) $ in Millions	Mar. 31, 2024	Jun. 30, 2023
Environmental Remediation Obligations [Abstract]
Reserves for Environmental Costs	$ 11.2	$ 12.0
Accrued Environmental Loss Contingencies, Current	$ 1.5	$ 1.7

Total costs accrued as of the balance sheet date for environmental loss contingencies.

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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