Domestic And Foreign Income Taxes (Reconciliation Of Effective Income Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Domestic And Foreign Income Taxes [Abstract]
Tax provision at statutory rate	(34.00%)	34.00%	(34.00%)
Change in valuation allowance	(5.12%)	(34.20%)	49.67%
Impact of permanent items, including stock based compensation expense	24.15%	6.08%	22.66%
Effect of foreign tax rates	6.35%	(6.35%)	18.68%
State taxes net of federal benefit	(1.43%)	0.78%	(2.12%)
Effect of dividend of foreign subsidiary in prior year	17.16%
Prior year provision to return true-up	(5.10%)	9.59%	(82.91%)
Other	8.45%	(1.37%)	(8.16%)
Domestic and foreign income tax rate	10.46%	8.53%	(36.18%)