Consolidated Statements Of Cash Flows - Supplemental Disclosures (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Derivative [Line Items]
Increase (decrease) in long-term pension and benefits liability	$ 4.7	$ 33.9	$ (14.1)
Interest Rate Contract [Member]
Derivative [Line Items]
Increase (Decrease) in Derivative Assets	2.2
Increase (Decrease) in Derivative Liabilities	$ 0.7	$ 26.5