XML 108 R93.htm IDEA: XBRL DOCUMENT
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Property, plant and equipment (Details) - PEN (S/) S/ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | S/ 2,273,048 |
End balance | 2,208,553 | S/ 2,273,048
Cost [Member] | Mining Concessions [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 76,808 | 79,217
Additions |  | 484
Capitalized interests |  |
Disposals |  |
Transfers |  | 136
Assets held for distribution |  | (3,029)
End balance | 76,808 | 76,808
Cost [Member] | Mine Development [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 41,585 | 125,127
Additions | 2,260 | 4,944
Capitalized interests |  |
Disposals |  |
Transfers | 1,402 | 1,473
Assets held for distribution |  | (89,959)
End balance | 45,247 | 41,585
Cost [Member] | Land [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 219,345 | 219,240
Additions | 9,186 | 44
Capitalized interests |  |
Disposals |  |
Transfers | 27 | 61
Assets held for distribution |  |
End balance | 228,558 | 219,345
Cost [Member] | Buildings And Other Construction [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 657,548 | 436,670
Additions | 232 |
Capitalized interests |  |
Disposals | (1,171) |
Transfers | 20,328 | 240,992
Assets held for distribution |  | (20,114)
End balance | 676,937 | 657,548
Cost [Member] | Machinery, Equipment And Related Spare Parts [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 1,436,384 | 986,642
Additions | 12,696 | 13,297
Capitalized interests |  |
Disposals | (614) | (13,661)
Transfers | 142,593 | 515,631
Assets held for distribution |  | (65,525)
End balance | 1,591,059 | 1,436,384
Cost [Member] | Furniture And Accessories [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 30,513 | 31,097
Additions | 88 | 109
Capitalized interests |  |
Disposals | (17) | (9)
Transfers | 817 | 19
Assets held for distribution |  | (703)
End balance | 31,401 | 30,513
Cost [Member] | Transportation Units [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 119,708 | 125,286
Additions | 10,511 | 2,651
Capitalized interests |  |
Disposals | (8,213) | (7,020)
Transfers | 312 | 502
Assets held for distribution |  | (1,711)
End balance | 122,318 | 119,708
Cost [Member] | Computer Equipment And Tools [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 53,501 | 53,014
Additions | 1,350 | 1,803
Capitalized interests |  |
Disposals | (178) | (18)
Transfers | 3,740 | 1,307
Assets held for distribution |  | (2,605)
End balance | 58,413 | 53,501
Cost [Member] | Mine Rehabilitation Costs [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 6,063 | 4,575
Additions |  | 1,488
Capitalized interests |  |
Disposals |  |
Transfers | 26 |
Assets held for distribution |  |
End balance | 6,089 | 6,063
Cost [Member] | Capitalized Interests [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 64,904 | 61,595
Additions |  |
Capitalized interests |  | 3,309
Disposals |  |
Transfers |  |
Assets held for distribution |  |
End balance | 64,904 | 64,904
Cost [Member] | Works In Progress And Units In Transit [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 184,653 | 890,746
Additions | 32,280 | 82,362
Capitalized interests |  |
Disposals | (397) | (871)
Transfers | (173,664) | (758,749)
Assets held for distribution |  | (28,835)
End balance | 42,872 | 184,653
Cost [Member] | Total [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 2,891,012 | 3,013,209
Additions | 68,603 | 107,182
Capitalized interests |  | 3,309
Disposals | (10,590) | (21,579)
Transfers | (4,419) | 1,372
Assets held for distribution |  | (212,481)
End balance | 2,944,606 | 2,891,012
Accumulated Depreciation [Member] | Mining Concessions [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 12,119 | 12,233
Additions |  | 72
Disposals |  |
Transfers |  |
Assets held for distribution |  | (186)
End balance | 12,119 | 12,119
Accumulated Depreciation [Member] | Mine Development [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 9,753 | 9,457
Additions | 506 | 296
Disposals |  |
Transfers | (509) |
Assets held for distribution |  |
End balance | 9,750 | 9,753
Accumulated Depreciation [Member] | Land [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance |  |
Additions |  |
Disposals |  |
Transfers |  |
Assets held for distribution |  |
End balance |  |
Accumulated Depreciation [Member] | Buildings And Other Construction [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 68,945 | 52,366
Additions | 17,482 | 17,194
Disposals | (633) |
Transfers |  |
Assets held for distribution |  | (615)
End balance | 85,794 | 68,945
Accumulated Depreciation [Member] | Machinery, Equipment And Related Spare Parts [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 296,918 | 229,014
Additions | 85,937 | 76,322
Disposals | (221) | (4,613)
Transfers |  |
Assets held for distribution |  | (3,805)
End balance | 382,634 | 296,918
Accumulated Depreciation [Member] | Furniture And Accessories [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 27,204 | 26,605
Additions | 728 | 852
Disposals | (17) | (3)
Transfers |  |
Assets held for distribution |  | (250)
End balance | 27,915 | 27,204
Accumulated Depreciation [Member] | Transportation Units [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 64,710 | 57,983
Additions | 12,966 | 11,104
Disposals | (4,697) | (2,866)
Transfers |  |
Assets held for distribution |  | (1,511)
End balance | 72,979 | 64,710
Accumulated Depreciation [Member] | Computer Equipment And Tools [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 39,472 | 37,296
Additions | 3,629 | 3,572
Disposals | (335) | (7)
Transfers |  |
Assets held for distribution |  | (1,389)
End balance | 42,766 | 39,472
Accumulated Depreciation [Member] | Mine Rehabilitation Costs [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 1,432 | 1,432
Additions | 2 |
Disposals |  |
Transfers |  |
Assets held for distribution |  |
End balance | 1,434 | 1,432
Accumulated Depreciation [Member] | Capitalized Interests [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 1,417 | 14
Additions | 1,519 | 1,403
Disposals |  |
Transfers |  |
Assets held for distribution |  |
End balance | 2,936 | 1,417
Accumulated Depreciation [Member] | Works In Progress And Units In Transit [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance |  |
Additions |  |
Disposals |  |
Transfers |  |
Assets held for distribution |  |
End balance |  |
Accumulated Depreciation [Member] | Total [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 521,970 | 426,400
Additions | 122,769 | 110,815
Disposals | (5,903) | (7,489)
Transfers | (509) |
Assets held for distribution |  | (7,756)
End balance | 638,327 | 521,970
Accumulated Impairment [Member] | Mining Concessions [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 41,213 |
Additions | 1,645 |
End balance | 42,858 | 41,213
Accumulated Impairment [Member] | Mine Development [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 24,048 |
Additions |  |
End balance | 24,048 | 24,048
Accumulated Impairment [Member] | Land [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 258 |
Additions |  |
End balance | 258 | 258
Accumulated Impairment [Member] | Buildings And Other Construction [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 13,837 |
Additions |  |
End balance | 13,837 | 13,837
Accumulated Impairment [Member] | Machinery, Equipment And Related Spare Parts [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 12,166 |
Additions |  |
End balance | 12,166 | 12,166
Accumulated Impairment [Member] | Furniture And Accessories [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 168 |
Additions | 33 |
End balance | 201 | 168
Accumulated Impairment [Member] | Transportation Units [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 26 |
Additions |  |
End balance | 26 | 26
Accumulated Impairment [Member] | Computer Equipment And Tools [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 400 |
Additions | 54 |
End balance | 454 | 400
Accumulated Impairment [Member] | Mine Rehabilitation Costs [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 3,143 |
Additions |  |
End balance | 3,143 | 3,143
Accumulated Impairment [Member] | Capitalized Interests [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance |  |
Additions |  |
End balance |  |
Accumulated Impairment [Member] | Works In Progress And Units In Transit [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 735 |
Additions |  |
End balance | 735 | 735
Accumulated Impairment [Member] | Total [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 95,994 |
Additions | 1,732 |
End balance | 97,726 | 95,994
Carrying Amount [Member] | Mining Concessions [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 23,476 |
Total Assets held for distribution | 2,843 |
End balance | 21,831 | 23,476
Carrying Amount [Member] | Mine Development [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 7,784 |
Total Assets held for distribution | 89,959 |
End balance | 11,449 | 7,784
Carrying Amount [Member] | Land [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 219,087 |
Total Assets held for distribution |  |
End balance | 228,300 | 219,087
Carrying Amount [Member] | Buildings And Other Construction [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 574,766 |
Total Assets held for distribution | 19,499 |
End balance | 577,306 | 574,766
Carrying Amount [Member] | Machinery, Equipment And Related Spare Parts [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 1,127,300 |
Total Assets held for distribution | 61,720 |
End balance | 1,196,259 | 1,127,300
Carrying Amount [Member] | Furniture And Accessories [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 3,141 |
Total Assets held for distribution | 453 |
End balance | 3,285 | 3,141
Carrying Amount [Member] | Transportation Units [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 54,972 |
Total Assets held for distribution | 200 |
End balance | 49,313 | 54,972
Carrying Amount [Member] | Computer Equipment And Tools [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 13,629 |
Total Assets held for distribution | 1,216 |
End balance | 15,193 | 13,629
Carrying Amount [Member] | Mine Rehabilitation Costs [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 1,488 |
Total Assets held for distribution |  |
End balance | 1,512 | 1,488
Carrying Amount [Member] | Capitalized Interests [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 63,487 |
Total Assets held for distribution |  |
End balance | 61,968 | 63,487
Carrying Amount [Member] | Works In Progress And Units In Transit [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 183,918 |
Total Assets held for distribution | 28,835 |
End balance | 42,137 | 183,918
Carrying Amount [Member] | Total [Member] |  |
Reconciliation Of Changes In Property, Plant And Equipment [Roll Forward] |  |
Beginning balance | 2,273,048 |
Total Assets held for distribution | 204,725 |
End balance | S/ 2,208,553 | S/ 2,273,048

X
- Definition The decrease in property, plant and equipment through classification as held for sale or inclusion in a disposal group classified as held for sale. [Refer: Disposal groups classified as held for sale [member]; Property, plant and equipment; Disposal groups classified as held for sale [member]] + References No definition available. + Details
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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_i&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The decrease in property, plant and equipment through classification as held for sale or inclusion in a disposal group classified as held for sale. [Refer: Disposal groups classified as held for sale [member]; Property, plant and equipment; Disposal groups classified as held for sale [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_ii&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_vii&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_75_a&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_a&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from revaluations to fair value. [Refer: Property, plant and equipment; Revaluation surplus] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_iv&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 77 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_77_f&doctype=Standard -URIDate 2017-03-09 + Details
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