Other Income (Expense), Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Nonoperating Income (Expense) [Abstract]
Kansas Development Finance Authority bond	$ 2.9	$ 2.4	$ 2.8
Pension Income (Expense) without Service Cost	(52.0)	(30.2)	150.1
Interest Income, Other	12.9	6.2	1.8
Other Income	(0.7)	12.5	(1.8)
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	0.5	(17.1)	(1.0)
Gain (Loss) on Sale of Accounts Receivable	(52.4)	(23.4)	(6.7)
Foreign currency gains (losses) (2)	(13.9)	21.6	1.4
Taxes, Miscellaneous	37.7	6.8	0.0
Amortization of Intangible Assets	15.2	14.4
Total Other (Expense) Income, net	(140.4)	(14.1)	146.6
Gain on settlement of financial instrument	$ 0.0	$ 20.7	$ 0.0