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INCOME TAXES: (Tables)

6 Months Ended

Jun. 30, 2025

INCOME TAXES:

Schedule of income tax provision and effective income tax rate

The income tax provision and the effective income tax rate for the six-month period ended June 30, 2025 and 2024 consisted of (in millions):

​	​	​	​	​	​	​	​
​		2025			2024		​
Statutory income tax provision	​	$	930.0	​	$	852.3	​
Peruvian royalty	​		33.3	​		29.1	​
Mexican royalty	​		94.7	​		75.7	​
Peruvian special mining tax	​		50.7	​		45.0	​
Total income tax provision	​	$	1,108.7	​	$	1,002.1	​
​	​	​	​	​	​	​	​
Effective income tax rate	​	​	36.7	%	​	37.3	%

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- Definition

Disclosure of the income tax provision attributable to continuing operations and the effective income tax rate.

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No definition available.

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- References

No definition available.

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