Represents the discount amortization period of liability for future costs.

No definition available.

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- Definition

Represents the number of former operating facility site that the liability for future costs is discounted to present value.

+ References

No definition available.

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- Definition

Other Than LIFO Inventory Amount

+ References

No definition available.

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- Definition

Aggregate of: (i) sales discounts given by the entity, including, but not limited to, early payments of accounts due, (ii) cash rebates offered on sales, (iii) the total deduction from sales during the period, and (iv) price reductions (allowance, price protection agreements) given by the entity. Discounts, rebates, returns and allowances are a deduction from gross revenue in arriving at net revenue.

+ References

No definition available.

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- References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 10
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-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 5: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
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-Paragraph 16
-URI https://asc.fasb.org/extlink&oid=6571209&loc=d3e13703-110860

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- Definition

Rate applied to the undiscounted amount of environmental loss contingencies to arrive at the present value recorded as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
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-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

+ References

No definition available.

+ Details

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 912
-SubTopic 730
-Section 25
-Paragraph 1
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-SubTopic 10
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-URI https://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373

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Summary of Significant Accounting Policies - Narrative (Details) $ in Millions	12 Months Ended
	Jun. 30, 2022 USD ($) reporting_unit facility	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Summary of significant accounting policies
Discounts, rebates, returns and allowances	$ 25.8	$ 14.4	$ 25.8
Research and development expenditures	20.4	19.7	$ 28.0
Inventory accounted under method other than LIFO	$ 122.9	$ 107.5
Number of reporting units \| reporting_unit	3
Number of former operating facility site that the liability for future costs is discounted to present value (facility) \| facility	1
Liability for future costs discount amortization period	20 years
Environmental expenditures, discount rate	3.00%	3.00%
Environmental expenditures, liability	$ 11.2	$ 11.2
Performance Engineered Products
Summary of significant accounting policies
Number of reporting units \| reporting_unit	2
Customer \| Sales Revenue \| Howmet Aerospace Inc.
Summary of significant accounting policies
Concentration risk			10.00%
Customer \| Sales Revenue \| Howmet Aerospace Inc. \| Specialty Alloys Operations
Summary of significant accounting policies
Concentration risk			90.00%
Customer \| Sales Revenue \| Howmet Aerospace Inc. \| Performance Engineered Products
Summary of significant accounting policies
Concentration risk			10.00%
Minimum \| Capitalized software
Summary of significant accounting policies
Estimated useful life	3 years
Minimum \| Intangible Assets
Summary of significant accounting policies
Estimated useful life	5 years
Maximum \| Capitalized software
Summary of significant accounting policies
Estimated useful life	12 years
Maximum \| Intangible Assets
Summary of significant accounting policies
Estimated useful life	30 years