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CONSOLIDATED FINANCIAL STATEMENT DETAILS - Other operating expense (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Disclosure: |  |
Other operating expense | $ 108.5 | $ 137.0
Brazil |  |
Disclosure: |  |
Other operating expense | 17.5 |
Discontinued operations - mining sites |  |
Disclosure: |  |
Other operating expense | 35.6 | 28.7
Fairbanks Gold Mining, Inc. |  |
Disclosure: |  |
Other operating expense | $ 25.1 | $ 37.9

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