Benefit Plans - Estimated future benefit payments (Detail) $ in Millions	Dec. 31, 2024 USD ($)
Pension plans
Defined Benefit Plan Disclosure [Line Items]
2025	$ 8.0
2026	8.3
2027	8.5
2028	8.3
2029	7.9
2030 - 2034	34.0
Other post-retirement plans
Defined Benefit Plan Disclosure [Line Items]
2025	1.0
2026	0.9
2027	0.8
2028	0.8
2029	0.7
2030 - 2034	$ 2.5

Defined Benefit Plan, Expected Future Benefit Payments after Year Five

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- Definition

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.

+ Details

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- Definition

Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

+ References

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

+ Details

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- Definition

Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

+ References

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- Definition

Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

+ References

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- Definition

Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

+ References

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- Definition

Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

+ References

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