Other Operating Charges, net (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Other Operating expenses, net	$ 7.1		$ 14.6		$ 18.9	$ 20.6
Other Operating Income (Expense), Net	7.1	$ 11.8	14.6	$ 6.0	18.9	20.6
Severance Costs	1.0				5.1
Operating Expense
Asset Impairment Charges	3.1	0.1	0.7		3.1	0.7
Other Operating expenses, net	1.5		0.0		4.5	0.0
Business Combination, Integration-Related Cost, Expense	0.9	3.8	1.9	1.5	4.7	3.3
Business Combination, Acquisition-Related Cost, Expense	0.0		10.1	3.3	0.0	13.4
Continuing Operations
Severance Costs	0.8	5.3	0.0		6.1	0.0
Director [Member]
Share based compensation expense	$ 0.9	$ (0.4)	$ 2.0	$ 1.2	$ 0.5	$ 3.1

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department.

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