Consolidated Statements Of Equity (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Stockholders' Equity [Abstract]
Cumulative foreign currency translation	$ 3.5	$ 4.1	$ 5.1
Post retirement liability adjustments	(80.5)	(87.3)	(70.9)
Tax benefit associated with share-based compensation	$ 1.6	$ 8.6	$ 5.2