Leases - Lease Assets and Liabilities (Details 2) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Lease Liabilities, Current and Noncurrent [Abstract]
Operating, current	$ 17.2
Finance, current	0.2
Operating, noncurrent	29.1	$ 0.0
Finance, noncurrent	0.2
Total Lease Liability	46.7
Leases [Abstract]
Operating lease assets	45.4	$ 0.0
Finance Lease Assets	0.4
Finance lease amortization	0.5
Total leased assets	$ 45.8