Other Income (Expense), Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Nonoperating Income (Expense) [Abstract]
Kansas Development Finance Authority bond	$ 3.7	$ 3.8	$ 3.2
Rental and miscellaneous income	0.2	0.2	1.2
Pension Income (Expense) without Service Cost	19.5	34.3	37.2
Interest Income, Other	12.9	8.0	6.4
Other Income	0.4	0.4
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	(19.0)	(35.3)	0.0
Gain (Loss) on Sale of Accounts Receivable	(24.7)	(16.5)	(3.3)
Foreign currency losses	(12.3)	(1.9)	(0.3)
Gain (Loss) Related to Litigation Settlement	13.5
Total Other (Expense) Income, net	$ (5.8)	$ (7.0)	$ 44.4