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Income Taxes (Narrative) (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Income Taxes [Line Items] |  |  |
Net changes in the total valuation allowance | $ 11,500,000 | $ 700,000 | $ 19,300,000
Established valuation allowance for acquired deferred tax assets | 4,600,000 |  |
Income tax incentives | 8,842,000 | 8,035,000 | 10,510,000
Net impact of holiday tax incentives, per diluted share | $ 0.16 | $ 0.14 | $ 0.18
Interest on unrecognized tax | 1,600,000 |  |
Penalty on unrecognized tax | 1,600,000 |  |
Tax refund | 8,400,000 |  |
Additional reserve for uncertain tax benefits | 104,000 | 141,000 | 7,056,000
Interest and penalties included in income tax expense |  |  | (200,000)
U.S. [Member] |  |  |
Income Taxes [Line Items] |  |  |
Net changes in the total valuation allowance | 17,500,000 |  | 19,100,000
Operating loss carryforwards | 79,300,000 |  |
Tax credit carryforwards | 4,300,000 |  |
Tax credit carryforwards expiration dates | 2031 |  |
Foreign Jurisdictions [Member] |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards | 7,200,000 |  |
Indefinite carryforward | 34,800,000 |  |
Operating loss carryforwards expiration dates | 2022 |  |
Cumulative undistributed earnings | 631,000,000 |  |
State And Local Jurisdiction [Member] |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards | 93,000,000 |  |
Tax credit carryforwards | 1,600,000 |  |
Tax credit carryforwards expiration dates | 2027 |  |
Minimum [Member] | U.S. [Member] |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards expiration dates | 2022 |  |
Minimum [Member] | State And Local Jurisdiction [Member] |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards expiration dates | 2017 |  |
Minimum [Member] | Thailand Tax Authorities [Member] |  |  |
Income Taxes [Line Items] |  |  |
Income tax reconciliation tax holidays expiration date | 2015 |  |
Maximum [Member] | U.S. [Member] |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards expiration dates | 2031 |  |
Maximum [Member] | State And Local Jurisdiction [Member] |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards expiration dates | 2031 |  |
Maximum [Member] | Thailand Tax Authorities [Member] |  |  |
Income Taxes [Line Items] |  |  |
Income tax reconciliation tax holidays expiration date | 2026 |  |
CHINA |  |  |
Income Taxes [Line Items] |  |  |
Income tax incentives |  | 2,449,000 | 1,474,000
MALAYSIA |  |  |
Income Taxes [Line Items] |  |  |
Income tax incentives | 1,559,000 | 992,000 |
THAILAND |  |  |
Income Taxes [Line Items] |  |  |
Income tax incentives | $ 7,283,000 | $ 4,594,000 | $ 9,036,000

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