Segment Information - Reconciliation of Operating Profit from Segment to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Segment Reporting [Abstract]
Operating income (loss)	$ (10.7)	$ 0.1
Less: interest expense	15.2	16.3
Less: net pension income	(0.2)	(0.4)
Loss before income taxes	$ (25.7)	$ (15.8)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References + Details