Goodwill And Other Intangible Assets (Reconciliation Of The Beginning And Ending Balance Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Roll Forward]
Net carrying value of goodwill, beginning of year	$ 176,620	$ 165,372	$ 103,639
Acquisitions	0	13,695	63,214
Increase (decrease) due to foreign currency translation	(3,832)	(2,447)	(1,481)
Net carrying value of goodwill, end of year	$ 172,788	$ 176,620	$ 165,372