Long-term Debt - Other Long-term Obligations (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2014 USD ($) payment	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Long-term debt	$ 2,928.9			$ 2,419.0
Other long-term obligations
Debt Instrument [Line Items]
Long-term debt	80.8			89.2
Other long-term obligations | Ohio relocation fees debt
Debt Instrument [Line Items]
Long-term debt	68.8			$ 76.4
Amount payable upon opening of the facility			$ 7.5
Number of semi-annual payments | payment			18
Amount of semi-annual payments due beginning one year from commencement of operations			$ 4.8
Effective yield			5.00%
Interest expense	$ 0.9	$ 1.1