Financial Information by Segment - Schedule of Reconciliation of Income Before Earnings in Affiliated Companies and Income Taxes to Adjusted EBITDA and Corporate Charges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting [Abstract]
Income before earnings in affiliated companies and income taxes	$ 5.0	$ 13.0	$ 1.7	$ 30.5
LTIP and other non-operating charges	3.8	4.1	5.7	7.1
Depreciation and amortization of intangible assets, right of use assets, and property, plant and equipment	32.9	32.0	65.6	63.5
Equity in earnings of affiliated companies, net of tax	0.2	0.6	0.3	1.1
Interest and other financial expense, net	16.3	19.1	31.0	32.8
Adjusted EBITDA	58.2	68.8	104.3	135.0
Long term incentive plan	3.0	3.6	4.4	6.3
Other non-operating	0.8	0.5	1.3	0.8
LTIP and other non-operating charges	$ 3.8	$ 4.1	$ 5.7	$ 7.1