Consolidated Statements Of Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Stockholders' Equity [Abstract]
Dividend equivalents per share (in dollars per share)	$ 1.18	$ 1.06	$ 0.96
Dividends declared per share (in dollars per share)	$ 1.18	$ 1.06	$ 0.96