Income Taxes - Effective Income Tax Rate Narrative (Details) - USD ($) $ in Millions	7 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Valuation allowance, deferred tax asset, increase (decrease), amount		$ 36.1	$ 8.9
Reorganization and restructuring actions		(26.1)	0.0	$ 0.0
Gain on bargain purchase of business		0.0	13.6	0.0
Tax benefit on loss carryback		0.0	0.0	$ (5.2)
Tekfor Group
Gain on bargain purchase of business	$ 13.6		13.6
US Tax Authority and Foreign Tax Authority
Valuation allowance, deferred tax asset, increase (decrease), amount		$ 36.1
Foreign Tax Authority [Member]
Valuation allowance, deferred tax asset, increase (decrease), amount			$ (7.5)