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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Summary of Estimated Useful Life of Property, Plant and Equipment The depreciation of other assets that do not qualify as “Major equipment” is calculated under the straight-line method to allocate their cost less their residual values over their estimated useful lives, as follows:
   
Years
 
Buildings and facilities
   Between 3 and 33 
Machinery and equipment
   Between 4 and 10 
Vehicles
   Between 2 and 10 
Furniture and fixtures
   Between 2 and 10 
Other equipment
   Between 2 and 10 
Summary of Reclassified Discontinued Operations
 
a)
Restatement of the Statement of Income as of December 31, 2017 (was restructured in the 2018 annual report, presented on April 30, 2019)
The consolidated statement of income for the year ended December 31, 2017 included the net gain on the sale of our former subsidiary GMD (S/218.3 million, equivalent to US$64.6
 million
) under the “Gain from the sale of investments” line item, rather than the “Profit from discontinued operations” line item, in accordance with IAS 8, Accounting Policies, Changes in Accounting Estimates and Errors, such amount has been restated in application of IFRS 5 paragraph 33 a).
 
 
  
2017
Audited
 
  
Restatement
GMD
 
  
Reclassification
discontinued
operations
 (*)
 
  
2017
Restated and
Reclassified
 
Revenues
  
 
6,080,142
 
  
 
—  
 
  
 
(2,066,129
) 
  
 
4,014,013
 
Operating costs
  
 
(5,407,355
) 
  
 
—  
 
  
 
1,895,794
 
  
 
(3,511,561
) 
 
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Gross profit (loss)
  
 
672,787
 
  
 
—  
 
  
 
(170,335
) 
  
 
502,452
 
     
Administrative expenses
  
 
(429,181
) 
  
 
—  
 
  
 
106,727
 
  
 
(322,454
) 
Other (expenses) income, net
  
 
(20,545
) 
  
 
—  
 
  
 
(12,324
) 
  
 
(32,869
) 
Gain (loss) from the sale of investments
  
 
274,363
 
  
 
(218,264
) 
  
 
(21,554
) 
  
 
34,545
 
 
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Operating profit (loss)
  
 
497,424
 
  
 
(218,264
) 
  
 
(97,486
) 
  
 
181,674
 
     
Financial expenses
  
 
(185,445
) 
  
 
—  
 
  
 
34,668
 
  
 
(150,777
) 
Financial income
  
 
15,407
 
  
 
—  
 
  
 
(1,665
) 
  
 
13,742
 
     
Share of the profit or loss in associates and joint ventures
  
 
1,327
 
  
 
—  
 
  
 
(854
) 
  
 
473
 
 
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Profit (loss) before income tax
  
 
328,713
 
  
 
(218,264
) 
  
 
(65,337
) 
  
 
45,112
 
Income tax
  
 
(123,037
) 
  
 
63,940
 
  
 
12,792
 
  
 
(46,305
) 
 
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Profit (loss) from continuing operations
  
 
205,676
 
  
 
(154,324
) 
  
 
(52,545
) 
  
 
(1,193
) 
 
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Profit from discontinued operations
  
 
3,562
 
  
 
154,324
 
  
 
52,545
 
  
 
210,431
 
 
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Profit of the year
  
 
209,238
 
  
   
  
   
  
 
209,238
 
 
  
 
 
 
  
   
  
   
  
 
 
 
Earnings per share attributable to owners of the Company during the year
  
 
0.225
 
  
   
  
   
  
 
0.225
 
 
  
 
 
 
  
   
  
   
  
 
 
 
Earning (loss) per share from continuing operations attributable to owners of the Company during the year
  
 
0.220
 
  
   
  
   
  
 
(0.101
) 
 
  
 
 
 
  
   
  
   
  
 
 
 
 
(*)
Corresponds to financial result from discontinued operations, Stracon GyM S.A., CAM Servicios del Peru S.A., CAM Chile S.A. and Adexus S.A.
b)
Reclassified discontinued operations as of December 31, 2018
As a result of the divestment process, the results of discontinued operations are reclassified as follows:
 
   
2018
Audited
   
Reclassification
discontinued
operations
   
2018
Reclassified
 
Profit for the year
   57,415    —      57,415 
  
 
 
   
 
 
   
 
 
 
Other comprehensive income:
      
Items that will not be reclassified to profit or loss
      
  
 
 
   
 
 
   
 
 
 
Remeasurement of actuarial gains and losses, net of tax
   16,589    —      16,589 
  
 
 
   
 
 
   
 
 
 
Items that may be subsequently reclassified to profit or loss
      
Cash flow hedge, net of tax
   119    —      119 
Foreign currency translation adjustment, net of tax
   5,733    —      5,733 
Exchange difference from net investment in a foreign operation, net of tax
   (8,147)    —      (8,147) 
  
 
 
   
 
 
   
 
 
 
   (2,295)    —      (2,295) 
  
 
 
   
 
 
   
 
 
 
Other comprehensive income for the year, net of tax
   14,294    —      14,294 
  
 
 
   
 
 
   
 
 
 
Total comprehensive income for the year
   71,709    —      71,709 
  
 
 
   
 
 
   
 
 
 
Comprehensive income attributable to:
      
Owners of the Company
   (67,548)    —      (67,548) 
Non-controlling
interest
   139,257    —      139,257 
  
 
 
   
 
 
   
 
 
 
   71,709    —      71,709 
  
 
 
   
 
 
   
 
 
 
Comprehensive income attributable to owners of the Company:
      
Continuing operations
   (98,942)    (32,342)    (131,284) 
Discontinued operations
   31,394    32,342    63,736 
  
 
 
   
 
 
   
 
 
 
   (67,548)    —      (67,548)