Leases Lessee - Components of Lease Expense (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Lease, Cost [Line Items]
Finance Lease, Interest Expense	$ 4.1
Lease, Cost	851.7
Depreciation and Amortization [Member]
Lease, Cost [Line Items]
Finance Lease, Right-of-Use Asset, Amortization	44.4
Selling, General and Administrative Expenses
Lease, Cost [Line Items]
Operating Lease, Cost	$ 803.2