Employee Benefit Plans (Components Of The Net Periodic Benefit Cost Of The Non-U.S. Plans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Employee Benefit Plans [Abstract]
Service cost of benefits earned	$ 1,708	$ 1,506	$ 1,315
Interest cost on projected benefit obligation	1,400	1,219	1,352
Expected return on plan assets	(1,232)	(1,025)	(1,069)
Amortization of actuarial gain	26	(4)	322
Effect of curtailments and settlements			200
Net pension expense	$ 1,850	$ 1,704	$ 1,076