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Employee Benefit Plans - Asset Allocation (Details)	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Plan, Debt Security
Target asset allocations and weighted-average asset allocation of plan assets
Percentage of plan assets (as a percent)	79.00%	75.00%
Defined Benefit Plan, Debt Security | Minimum
Target asset allocations and weighted-average asset allocation of plan assets
Target allocation (as a percent)	65.00%
Defined Benefit Plan, Debt Security | Maximum
Target asset allocations and weighted-average asset allocation of plan assets
Target allocation (as a percent)	85.00%
Defined Benefit Plan, Equity Securities
Target asset allocations and weighted-average asset allocation of plan assets
Percentage of plan assets (as a percent)	18.00%	12.00%
Defined Benefit Plan, Equity Securities | Minimum
Target asset allocations and weighted-average asset allocation of plan assets
Target allocation (as a percent)	10.00%
Defined Benefit Plan, Equity Securities | Maximum
Target asset allocations and weighted-average asset allocation of plan assets
Target allocation (as a percent)	30.00%
Global Asset Allocations/Risk Parity
Target asset allocations and weighted-average asset allocation of plan assets
Percentage of plan assets (as a percent)	2.00%	3.00%
Global Asset Allocations/Risk Parity | Minimum
Target asset allocations and weighted-average asset allocation of plan assets
Target allocation (as a percent)	0.00%
Global Asset Allocations/Risk Parity | Maximum
Target asset allocations and weighted-average asset allocation of plan assets
Target allocation (as a percent)	15.00%
Defined Benefit Plan, Plan Assets, Other
Target asset allocations and weighted-average asset allocation of plan assets
Percentage of plan assets (as a percent)	1.00%	10.00%
Defined Benefit Plan, Plan Assets, Other | Minimum
Target asset allocations and weighted-average asset allocation of plan assets
Target allocation (as a percent)	0.00%
Defined Benefit Plan, Plan Assets, Other | Maximum
Target asset allocations and weighted-average asset allocation of plan assets
Target allocation (as a percent)	10.00%

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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480482/715-20-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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- Definition

Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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