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Consolidated Statements of Changes in Equity (Parenthetical) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
AOCI Attributable to Parent [Member] |  |  |
Foreign currency translation attributable to non-controlling interests |  |  | $ 5.0
Maximum [Member] | Ordinary Shares [Member] |  |  |
Exercise of options by employees and vested RSUs | $ 0.5 | $ 0.5 | $ 0.5

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