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CONSOLIDATED FINANCIAL STATEMENT DETAILS - Other operating expense (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Disclosure: |  |
Other operating expense | $ 186.5 | $ 108.5
COVID-19 Pandemic |  |
Disclosure: |  |
Other operating expense | 64.1 |
Tasiast Strike |  |
Disclosure: |  |
Other operating expense | 8.3 |
Brazil |  |
Disclosure: |  |
Other operating expense |  | 17.5
Discontinued operations - mining sites |  |
Disclosure: |  |
Other operating expense | $ 46.0 | 35.6
Fairbanks Gold Mining, Inc. |  |
Disclosure: |  |
Other operating expense |  | $ 25.1

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