Consolidated Statements of Changes in Shareholders' Equity (parenthetical) - $ / shares	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Common Stock, Dividends, Per Share, Declared	$ 0.49	$ 0.48
Stock Repurchased During Period, Shares	2,571,998	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0	0
Stock Issued During Period, Shares, Restricted Stock Award, Gross	666,154	575,381
Treasury Stock, Shares, Acquired	297,300	247,288
Stock Issued During Period, Shares, Treasury Stock Reissued	314,253	219,315