Accounts Receivable Sale Program (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Receivables [Abstract]
Maximum Limit Accounts Receivable Sale Program			$ 120.0
Trade Accounts Receivable Sold	$ 75.1	$ 40.0	205.7	$ 120.0
Amount Received From Trade Accounts Receivable Sold To Third Party	$ 74.9	$ 39.9	$ 205.1	$ 119.7