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Statement of Cash Flows - Summary of Non-cash Investing and Financing Activities (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Cash and Cash Equivalents [Abstract] |  |  |  |
Accrued capital expenditures | $ 75.6 | $ 72.6 | $ 83.6 | $ 133.7

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