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Pension and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2025

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The components of net periodic pension and retiree medical (income) loss were as follows (in millions):

			Three Months Ended September 30,												Nine Months Ended September 30,
			2025						2024						2025						2024
Interest cost			$	7.8					$	7.4					$	23.2					$	22.2
Expected return on plan assets			(7.4)						(7.9)						(21.9)						(23.7)
Amortization of net gain			(0.2)						(0.1)						(0.6)						(0.5)
Net periodic pension and retiree medical (income) loss (1)			$	0.2					$	(0.6)					$	0.7					$	(2.0)

(1)Included in Other, net in our Condensed Consolidated Statements of Operations.

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- References

No definition available.

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (q)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 715
-SubTopic 20
-Subparagraph (h)
-Name Accounting Standards Codification
-Paragraph 1
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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