Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jan. 01, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Effective tax rate	31.00%	20.10%	28.00%	22.80%
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings (accumulated deficit)	$ 254.1		$ 254.1		$ 117.7	$ (968.0)
Pinnacle
Business Acquisition [Line Items]
Increase in deferred tax liabilities, acquisition			$ 0.8
ASC 842 - Master Lease deferred tax adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred tax assets, net					(80.6)
Deferred tax liabilities, net					223.2
Retained earnings (accumulated deficit)					$ (303.8)