Income Taxes (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Taxes [Abstract]
Effective Tax Rate	26.10%	30.20%	27.90%	31.00%
Adjustment For Tax (Benefit) Expense From Discrete Items	(4.20%)	(0.50%)
Reduction In Effective Income Tax Rate From Recently Enacted Tax Legislation	(4.20%)