Other (Expense) Income, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Income and Expenses [Abstract]
Loss on debt extinguishment	$ (60.7)	$ (0.4)	$ (72.3)
Gain (loss) on derivative contracts	13.4	0.4	(1.8)
Gain on sale of equity investment	0.0	11.3	0.0
Gain on legal settlement	0.0	0.0	10.8
Other income (expense), net	1.1	3.5	(6.7)
Total	$ (46.2)	$ 14.8	$ (70.0)