XML 85 R70.htm IDEA: XBRL DOCUMENT v3.8.0.1
Corporate information (Details 1) - PEN (S/)
S/ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of subsidiaries [line items]        
Cost of sales   S/ (732,956) S/ (736,530) S/ (695,757)
Finance income   5,842 3,240 3,416
(Loss) gain from exchange difference, net   (2,226) (2,541) 12,194
Income tax   (551) (6,399) (3,141)
Loss for the year from discontinued operations   (754) (6,589) (5,720)
Fosfatos del Pacifico S.A. [Member]        
Disclosure of subsidiaries [line items]        
Sales S/ 11   2,044
Cost of sales (626) (626) (6,881)
Administrative expenses (660)   (6,352) (8,868)
Other income (expense) 153 S/ 153 (1,006) (212)
Finance income 2   11 62
(Loss) gain from exchange difference, net (185)   (804) 157
Loss from discontinued operations before income tax (1,305)   (12,988) (8,861)
Income tax 551   6,399 3,141
Loss for the year from discontinued operations S/ (754)   S/ (6,589) S/ (5,720)