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INCOME TAXES: - Provision (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
U.S. federal and state: |  |  |
Current | $ 4.6 | $ 0.1 |
Uncertain tax positions | 0.6 |  |
Provision for income taxes | 5.2 | 0.1 |
Foreign (Peru and Mexico): |  |  |
Current | 1,491.0 | 1,443.1 | $ 2,425.5
Deferred | (59.1) | 118.6 | (126.3)
Uncertain tax position | 81.8 | 34.3 |
Provision for income taxes | 1,513.7 | 1,596.0 | 2,299.2
Total provision for income taxes | 1,518.9 | 1,596.1 | 2,299.2
Earnings by location: |  |  |
U.S. | 23.3 | 0.5 | (32.4)
Peru | 1,151.3 | 1,167.8 | 1,962.8
Mexico | 2,781.2 | 3,079.5 | 3,766.4
Foreign | 3,932.5 | 4,247.3 | 5,729.2
Income before income taxes | $ 3,955.8 | $ 4,247.8 | $ 5,696.8

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