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Summary of Significant Accounting Policies - Foreign Currency Translation (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Related Party Transaction [Line Items] |  |  |  |
Foreign exchange gains (losses) | $ 0.9 | $ (1.8) | $ 0.2 | $ (2.2)
Foreign currency gains on long-term intra-entity transactions |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Foreign exchange gains (losses) | $ 7.4 | $ 10.3 | $ 12.3 | $ 156.3

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