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Summary of Significant Accounting Policies, Foreign Currency Translation (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Foreign Currency Translation [Abstract] |  |  |
Cumulative translation adjustment related to foreign currency adjustment | $ (79.1) | $ (65.6) | $ (85.3)
Cumulative translation adjustment related to foreign currency adjustment, tax | $ 7.5 | $ 7.1 | $ 7.4

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- Definition Tax effect of the accumulated adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses. + References No definition available. + Details
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