Income Taxes (Reconciliation Of Effective Income Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
U.S. statutory federal rate applied to pretax income	35.00%	35.00%	35.00%
State and local income taxes, net of federal benefit	4.00%	3.40%	3.50%
Foreign tax rate differential	(0.40%)	(0.40%)	0.10%
Non-deductible expenses	2.40%	2.10%	1.70%
Domestic production activities deduction	(2.50%)	(1.60%)	(0.90%)
Other	(0.80%)	1.20%	0.00%
Valuation allowance for deferred tax assets	(0.40%)	(0.40%)	(0.80%)
Effective income tax rate	38.50%	39.50%	38.80%
State and Local Jurisdiction [Member]
Change in state tax rate	1.20%	0.20%	0.20%