Summary Of Significant Accounting Policies (Summary Of Slow Moving Inventory Activity) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary Of Significant Accounting Policies [Abstract]
Beginning balance	$ 4,146	$ 3,044	$ 3,395
Excess, obsolete, and slow-moving inventory expense	2,417	378	1,046
Reserves from acquisitions	95	1,270
Scrapped inventory and other adjustments	(1,756)	(542)	(1,402)
Foreign currency translation	5	(4)	5
Ending balance	$ 4,907	$ 4,146	$ 3,044