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Goodwill and Other Intangible Assets (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Goodwill And Other Intangible Assets [Abstract]
Beginning Balance	$ 8,950	$ 32,264	$ 130,612
Amortization	(2,017)	(4,664)	(16,181)
Impairment		(5,048)	(39,446)
Reduction to other intangible assets		(12,408)	(43,267)
Currency translation adjustments	652	(1,194)	546
Ending Balance	$ 7,585	$ 8,950	$ 32,264

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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