Consolidated Statements Of Equity (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Stockholders' Equity [Abstract]
Dividends equivalents declared per share (in dollars per share)	$ 1.06	$ 0.96	$ 0.90
Dividends declared per share (in dollars per share)	$ 1.06	$ 0.96	$ 0.90