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INCOME TAXES : (Tables)
6 Months Ended
Jun. 30, 2015
INCOME TAXES:  
Schedule of income tax provision and effective income tax rate

 

 

The income tax provision and the effective income tax rate for the first six months of 2015 and 2014 were as follows ($ in millions):

 

 

2015

 

2014

 

Income tax provision

 

$

286.2 

 

$

429.9 

 

Effective income tax rate

 

33.3 

%

39.8 

%

 

Components of the provision for income taxes

 

 

Components of the income tax provision for the six month periods of 2015 and 2014 include the following ($ in millions):

 

 

2015

 

2014

 

Statutory income tax provision

 

$

249.8 

 

$

361.6 

 

Peruvian royalty

 

2.9 

 

2.1 

 

Mexican royalty

 

22.3 

 

46.6 

 

Peruvian special mining tax

 

11.2 

 

19.6 

 

 

 

 

 

 

 

Total income tax provision

 

$

286.2 

 

$

429.9 

 

 

 

 

 

 

 

 

 

 

Summary of income tax rate and dividend tax rate due to change in enacted tax law

Year

 

Income Tax Rate

 

Dividend Tax Rate

 

2015- 2016

 

28 

%

6.8 

%

2017- 2018

 

27 

%

8.0 

%

2019 and later

 

26 

%

9.3 

%