Consolidated Statements Of Changes In Shareholders' Equity (Parenthetical) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Statement of Stockholders' Equity [Abstract]
Cash dividends declared (in dollars per share)	$ 0.8	$ 0.74
Exercise of stock options (in shares)	19,000	62,685
Purchase of treasury shares (in shares)	194,651	0