Stockholders' Equity (Summary Of Changes In Stockholders' Equity) (Details) (USD $)	3 Months Ended		6 Months Ended			12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013	Dec. 31, 2013
Stockholders' Equity [Line Items]
Balance			$ 336,540,000
Net Loss	(664,000)	1,859,000	(3,881,000)		3,512,000	18,532,000
Common Stock Dividends			(3,715,000)	[1]
Unrealized Foreign Currency Translation Gain	42,000	206,000	17,000		246,000
Net Change in Fair Value of Derivatives	(44,000)	962,000	(35,000)		1,509,000
Net Change in Funding Status of Defined Benefit Plan	(24,000)	310,000	151,000		621,000
Issuance of stock-based compensation			192,000
Balance	326,658,000		326,658,000			336,540,000
Accrued dividends not paid			76,000
Preferred Stock [Member]
Stockholders' Equity [Line Items]
Preferred Stock Dividends			$ (2,611,000)

[1] Includes $76,000 of dividends accrued but not paid during the period