Discontinued Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Disposal group, general and administrative expense	$ 1.0	$ 0.1
Disposal group, general and administrative expense credit for reversal during period			$ 0.2
Net operating cash outflows	$ 1.2	$ 0.3	$ 1.0
Discontinued Operations, Disposed of by Sale | Specialty Papers
Schedule of Equity Method Investments [Line Items]
Selling price of business				$ 360.0