Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Statutory U.S. Federal tax rate	35.00%	35.00%	35.00%
Increase (decrease) in tax rate resulting from:
Goodwill impairment	200.10%	0.00%	0.00%
Deferred compensation (ESSP)	(24.60%)	(0.50%)	0.20%
State taxes - net of Federal benefit	18.60%	3.30%	3.10%
Excess executive compensation	16.70%	0.80%	0.30%
Tax basis deduction of investment	(15.30%)	0.00%	0.00%
Provisions of American Taxpayer Relief Act of 2012	(10.30%)	0.00%	0.00%
Section 199 deductions	(6.50%)	(0.20%)	(0.10%)
Acquisition working capital settlement	(5.00%)	0.00%	0.00%
Other, net	(0.70%)	0.30%	(0.40%)
Effective tax rate	208.00%	38.70%	38.10%