Stock-Based Compensation Plans (Weighted Average Assumptions Used To Determine The Options Fair Value) (Detail)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Share-based Compensation [Abstract]
Expected dividend yield	0.44%	0.50%
Expected volatility	30.80%	59.70%
Risk-free rate	0.70%	0.70%
Expected option life (in years)	4 years 6 months	4 years 6 months