Stock-Based Compensation Plans (Weighted-Average Assumptions for the ESOP) (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Dividend yield	2.12%	2.36%	2.13%	2.32%
Expected volatility	35.81%	37.70%	36.10%	38.73%
Risk-free interest rate	1.37%	1.79%	1.56%	1.81%
Expected term of options	4 years 113 days	4 years 140 days	4 years 353 days	4 years 307 days
Weighted-avg. grant-date fair value (in dollars per share)	$ 3.94	$ 3.60	$ 4.47	$ 4.13