XML 156 R141.htm IDEA: XBRL DOCUMENT v3.8.0.1
Segment information (Details) - PEN (S/)
S/ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenues from external customers S/ 1,225,639 S/ 1,240,169 S/ 1,231,015
Gross profit margin 492,683 503,639 535,258
Other operating income, net (4,357) 2,444 3,913
Administrative expenses (195,617) (193,376) (179,723)
Selling and distribution expenses (46,567) (39,899) (31,481)
Impairment on brine project (47,582)
Finance costs (73,759) (75,397) (36,807)
Finance income 5,842 3,240 3,416
(Loss) gain from exchange difference, net (2,226) (2,541) 12,194
Profit before income tax 128,417 198,110 306,770
Income tax expense (47,032) (78,627) (89,383)
Net income from continuing operations 81,385 119,483 217,387
Loss for the year from discontinued operations (754) (6,589) (5,720)
Profit for the year 80,631 112,894 211,667
Cement, concrete and blocks [Member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenues from external customers 1,076,648 1,103,426 1,089,232
Gross profit margin 476,919 487,671 517,266
Other operating income, net (4,127) 1,907 3,877
Administrative expenses (174,087) (173,200) (161,950)
Selling and distribution expenses (44,223) (38,070) (29,687)
Impairment on brine project
Finance costs (73,759) (75,397) (36,807)
Finance income 5,779 3,194 3,384
(Loss) gain from exchange difference, net (2,012) (2,238) 11,141
Profit before income tax 184,490 203,867 307,224
Income tax expense (67,568) (80,912) (89,515)
Net income from continuing operations 116,922 122,955 217,709
Loss for the year from discontinued operations
Profit for the year 116,922 122,955 217,709
Construction supplies [Member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenues from external customers 66,442 59,888 75,565
Gross profit margin 1,873 1,220 2,506
Other operating income, net 36 136 4
Administrative expenses (1,499) (1,051) (1,228)
Selling and distribution expenses (2,287) (1,643) (1,519)
Impairment on brine project
Finance costs
Finance income 48 24 32
(Loss) gain from exchange difference, net (17) (19) 19
Profit before income tax (1,846) (1,333) (186)
Income tax expense 676 529 54
Net income from continuing operations (1,170) (804) (132)
Loss for the year from discontinued operations
Profit for the year (1,170) (804) (132)
Quicklime [Member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenues from external customers 80,707 75,090 64,140
Gross profit margin 13,671 14,216 15,116
Other operating income, net
Administrative expenses (15,613) (14,464) (11,306)
Selling and distribution expenses
Impairment on brine project
Finance costs
Finance income
(Loss) gain from exchange difference, net (183) (118) 969
Profit before income tax (2,125) (366) 4,779
Income tax expense 778 145 (1,392)
Net income from continuing operations (1,347) (221) 3,387
Loss for the year from discontinued operations
Profit for the year (1,347) (221) 3,387
Other [Member]      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenues from external customers 1,842 1,765 2,078
Gross profit margin 220 532 370
Other operating income, net (266) 401 32
Administrative expenses (4,418) (4,661) (5,239)
Selling and distribution expenses (57) (186) (275)
Impairment on brine project (47,582)
Finance costs
Finance income 15 22
(Loss) gain from exchange difference, net (14) (166) 65
Profit before income tax (52,102) (4,058) (5,047)
Income tax expense 19,082 1,611 1,470
Net income from continuing operations (33,020) (2,447) (3,577)
Loss for the year from discontinued operations (754) (6,589) (5,720)
Profit for the year S/ (33,774) S/ (9,036) S/ (9,297)