Income Taxes (Schedule Of Income Before Income Tax Expense (Benefit) And Equity In Earnings Of 50% Or Less Owned Companies) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Contingency [Line Items]
Income Before Income Tax Expense and Equity In Earnings of 50% or Less Owned Companies	$ 67,632	$ 54,572	$ 3,769
United States [Member]
Income Tax Contingency [Line Items]
Income Before Income Tax Expense and Equity In Earnings of 50% or Less Owned Companies	71,669	82,383	14,556
Foreign [Member]
Income Tax Contingency [Line Items]
Income Before Income Tax Expense and Equity In Earnings of 50% or Less Owned Companies	(7,596)	(176)	(5,886)
Eliminations And Other [Member]
Income Tax Contingency [Line Items]
Income Before Income Tax Expense and Equity In Earnings of 50% or Less Owned Companies	$ 3,559	$ (27,635)	$ (4,901)