Other Income, Net (Analysis of Other Income, Net) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Other Income, Net
Escrow funds recognized as income	$ 100,000		$ 100,000
Collection of an acquired account receivable included in other income	700,000		700,000
Currency (gains) losses	(160,000)	(8,965,000)	472,000	(12,683,000)
Bank and other financing fees	496,000	531,000	979,000	996,000
Other	(532,000)	(162,000)	(1,638,000)	(168,000)
Total other income, net	$ (196,000)	$ (8,596,000)	$ (187,000)	$ (11,855,000)