Leases Finance and Operating Lease (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Leases [Abstract]
Finance and Operating Leases, average remaining maturity	29 years
Finance and Operating Leases, average lease extension term	10 years
Finance Lease, Right-of-Use Asset	$ 409.8	$ 340.9	$ 340.9
Finance Lease, Accumulated Depreciation	47.2
Operating Lease, Right-of-Use Asset	$ 212.6	$ 241.1	$ 0.0