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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
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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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