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Income Taxes (Schedule Of Federal Statutory Income Tax Rate To Income Before Income Tax) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
Tax at statutory rate	$ 14,396	$ 30,456	$ 17,992
State taxes, net of federal tax effect	343	582	422
Effect of foreign operations and tax incentives	(12,442)	(13,021)	(13,818)
Valuation allowance	(23,674)	(10,657)	(486)
Thailand reserve for uncertain tax benefits	7,056
Settlement of foreign tax audits	(2,710)
Intercompany transactions	2,801	(1,321)	(1,293)
Losses in foreign jurisdictions for which no benefit has been provided	3,068	63	894
Write-off of investment in inactive foreign owned subsidiary			(2,668)
Revaluation loss			(2,429)
Other	335	1,156	(588)
Total income tax expense (benefit)	$ (10,827)	$ 7,258	$ (1,974)

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