Goodwill And Other Intangible Assets (Schedule Of Changes In The Carrying Value Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2013
Deferred Tax Liabilities, Goodwill and Intangible Assets [Abstract]
Goodwill, Impairment Loss		$ (413)
Balance as of December 31, 2013	496,810		496,335
Currency translation effect	(62)
Balance as of June 30, 2014	$ 496,335		$ 496,335