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INCOME TAXES: - Provision (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
U.S. federal and state: |  |  |
Current |  | $ 2.6 |
Deferred |  | (13.0) | $ 686.2
Uncertain tax positions | $ (1.3) |  | 16.2
Provision for income taxes | (1.3) | (10.4) | 702.4
Foreign (Peru and Mexico): |  |  |
Current | 966.3 | 1,102.4 | 951.7
Deferred | (30.1) | (38.5) | (60.7)
Uncertain tax position | 10.4 |  |
Provision for income taxes | 946.6 | 1,063.9 | 891.0
Total provision for income taxes | 945.3 | 1,053.5 | 1,593.4
Earnings by location: |  |  |
U.S. | (1.9) | (2.3) | (1.5)
Peru | 513.0 | 441.8 | 284.6
Mexico | 1,915.4 | 2,149.9 | 2,019.6
Foreign | 2,428.4 | 2,591.7 | 2,304.2
Income before income taxes | $ 2,426.5 | $ 2,589.4 | $ 2,302.7

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- Definition The component of income tax expense for the period representing amounts paid or payable (or refundable) as determined by applying the provisions of enacted federal and state tax law to the domestic taxable Income or Loss from continuing operations. + References No definition available. + Details
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- Definition The component of total income tax expense for the period comprised of the increase (decrease) during the period in the entity's domestic and state deferred tax assets and liabilities attributable to continuing operations as determined by applying the provisions of the federally enacted and applicable state tax law. + References No definition available. + Details
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- Definition Represents the portion of earnings or loss from continuing operations before income taxes that is attributable to Mexican operations. + References No definition available. + Details
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- Definition The component of total income tax expense for the period representing uncertain tax positions for amounts paid or payable (or refundable) as determined by applying the provisions of enacted foreign tax law to domestic taxable Income or Loss from continuing operations. + References No definition available. + Details
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