Other (Income) Expense, Net (Other (Income) Expense, Net) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Other (Income) Expense, Net [Abstract]
Foreign exchange transaction losses (gains)	$ 1,049	$ 2,814	$ (571)
Other	168	(31)	(21)
Nonoperating Income (Expense), Total	$ 1,217	$ 2,783	$ (592)