Debt and Capital Lease Obligations (Non-cash Financing Transactions) (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Debt and Capital Lease Obligations [Abstract]
Refinancing transactions, aggregate borrowings and repayments of debt	$ 2,800.5	$ 113.8