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Property, Plant and Equipment - Narrative (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Depreciation expense			$ 136.3	$ 129.0	$ 113.4
Capital expenditures incurred but not yet paid			21.4	22.9
Proceeds from divestiture of businesses			0.3	13.5	33.9
Pretax gain (loss)			$ 0.0	$ 2.9	$ (3.5)
Disposed of by Sale | Gaffney Plant
Property, Plant and Equipment [Line Items]
Proceeds from divestiture of businesses	$ 16.0
Pretax gain (loss)	$ 13.8	$ 13.8

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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