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Environmental Matters (Details) - USD ($) $ in Millions	Sep. 30, 2025	Jun. 30, 2025
Environmental Remediation Obligations [Abstract]
Reserves for Environmental Costs	$ 11.0	$ 11.0
Accrued Environmental Loss Contingencies, Current	$ 1.4	$ 1.4

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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-Section S99
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-Subparagraph (SAB Topic 5.Y.Q1)
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-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147481931/410-30-50-7

+ Details

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Balance Type:	credit
Period Type:	instant

X

- Definition

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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- References

No definition available.

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