Accounts Receivable Sale Program (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Receivables [Abstract]
Maximum Limit Accounts Receivable Sale Program	$ 120.0
Trade Accounts Receivable Sold	284.0	$ 160.0
Amount Received From Trade Accounts Receivable Sold To Third Party	$ 283.2	$ 159.5