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Income Taxes (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Income Taxes [Line Items] |  |  |  |
Cumulative undistributed earnings of foreign subsidiaries |  |  |  | $ 333.6
Income tax incentives |  | $ 2.2 | $ 2.3 |
Net impact of tax incentives, per diluted share |  | $ 0.06 | $ 0.06 |
Unrecognized tax benefits including interest and penalties | $ 8.0 | $ 8.0 |  |
Income tax benefit related to foreign withholding | $ 7.3 |  |  |
Malaysia [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax holidays expiration date |  | April 1, 2021 |  |
Malaysia [Member] | Earliest Tax Year [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax holidays expiration date |  | 2021 |  |
Thailand [Member] | Earliest Tax Year [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax holidays expiration date |  | 2028 |  |

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