Business Segments - Schedule of Financial Information Concerning Corporation's Reportable Segments (Parenthetical) (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2024 USD ($) Customer	Dec. 31, 2023 USD ($) Customer	Dec. 31, 2022 USD ($)
Revenue from External Customer [Line Items]
Investments in joint ventures	$ 2,175	$ 2,175
Defense-to-indemnity cost ratio	55.00%	60.00%	65.00%
Noncurrent asbestos-related insurance receivables	$ 124,295	$ 145,245
Asbestos Claims [Member]
Revenue from External Customer [Line Items]
Insurance receivable - asbestos	139,295	160,245	$ 105,434
U.S. [Member]
Revenue from External Customer [Line Items]
(Credit) Charge for asbestos litigation	$ 4,184	$ 40,696
Defense-to-indemnity cost ratio	55.00%	60.00%	65.00%
Sales Revenue, Net [Member] \| Individual Foreign Countries [Member] \| Maximum [Member]
Revenue from External Customer [Line Items]
Net sales	10.00%	10.00%
Forged and Cast Engineered Products [Member]
Revenue from External Customer [Line Items]
Number of customers accounted for net sales \| Customer	1	1
Investments in joint ventures	$ 2,175	$ 2,175
Forged and Cast Engineered Products [Member] \| Sales Revenue, Net [Member] \| Customer Concentration Risk [Member]
Revenue from External Customer [Line Items]
Net sales	11.00%	11.00%
Air and Liquid Processing [Member]
Revenue from External Customer [Line Items]
Defense-to-indemnity cost ratio	55.00%	60.00%	65.00%

Credit Charge for Asbestos Litigation

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- Definition

Defense-to-indemnity cost ratio.

+ References

No definition available.

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- Definition

The number of customers who represented at least 10% of a segment's sales.

+ References

No definition available.

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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
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of amounts expected to be recovered under the terms of insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
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Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) of amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

+ References

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- Definition

Amount of investment in equity method investee and investment in and advance to affiliate.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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