Retirement and Postretirement Plans - Benefit Payments (Details) $ in Millions	Dec. 31, 2024 USD ($)
Pension
Benefit Payments:
2025	$ 46.9
2026	46.5
2027	63.4
2028	50.2
2029	48.3
2030-2034	217.9
Pension \| Bargaining Plan \| United States of America
Benefit Payments:
2025	43.5
2026	43.2
2027	47.2
2028	46.4
2029	44.3
2030-2034	196.4
Pension \| Salaried Plan \| United States of America
Benefit Payments:
2025	0.0
2026	0.0
2027	0.0
2028	0.0
2029	0.0
2030-2034	0.0
Pension \| Supplemental Plan \| United States of America
Benefit Payments:
2025	0.6
2026	0.6
2027	13.0
2028	0.5
2029	0.5
2030-2034	2.0
Pension \| Pension Scheme \| United Kingdom
Benefit Payments:
2025	2.8
2026	2.7
2027	3.2
2028	3.3
2029	3.5
2030-2034	19.5
Pension \| Pension Plan \| Mexico
Benefit Payments:
2027	0.0
Postretirement
Benefit Payments:
2025	8.8
2026	8.3
2027	7.9
2028	7.5
2029	7.2
2030-2034	$ 32.4

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- Definition

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth 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

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

+ References

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

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+ References

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