XML 211 R197.htm IDEA: XBRL DOCUMENT v3.8.0.1

Commitments and contingencies (Details 1) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Disclosure of Commitments and contingencies [Line Items]
Minimum lease payments receivable under non-cancellable operating lease	$ 324,877	$ 376,235
Unearned finance income on finance lease	(43,002)	(54,615)
Minimum finance lease payments receivable, at present value	281,875	321,620
Not later than one year [member]
Disclosure of Commitments and contingencies [Line Items]
Minimum lease payments receivable under non-cancellable operating lease	56,915	57,592
Unearned finance income on finance lease	40,224	40,428
Later than one year and not later than five years [member]
Disclosure of Commitments and contingencies [Line Items]
Minimum lease payments receivable under non-cancellable operating lease	267,962	318,643
Unearned finance income on finance lease	$ 241,651	$ 281,192

X

- References

No definition available.

+ Details

Name:	cik0001013131_DisclosureOfCommitmentsAndContingenciesLineItems
Namespace Prefix:	cik0001013131_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The present value of minimum finance lease payments receivable. Minimum lease payments are payments over the lease term that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with: (a) for a lessee, any amounts guaranteed by the lessee or by a party related to the lessee; or (b) for a lessor, any residual value guaranteed to the lessor by: (i) the lessee; (ii) a party related to the lessee; or (iii) a third party unrelated to the lessor that is financially capable of discharging the obligations under the guarantee.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
-IssueDate 2017-01-01
-Paragraph 47
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2017-03-02&anchor=para_47_a&doctype=Standard&book=B
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_MinimumFinanceLeasePaymentsReceivableAtPresentValue
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of future minimum lease payments receivable under non-cancellable operating leases. Minimum lease payments are payments over the lease term that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with: (a) for a lessee, any amounts guaranteed by the lessee or by a party related to the lessee; or (b) for a lessor, any residual value guaranteed to the lessor by: (i) the lessee; (ii) a party related to the lessee; or (iii) a third party unrelated to the lessor that is financially capable of discharging the obligations under the guarantee.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
-IssueDate 2017-01-01
-Paragraph 56
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2017-03-02&anchor=para_56_a&doctype=Standard&book=B
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_MinimumLeasePaymentsReceivableUnderNoncancellableOperatingLease
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The difference for a finance lease between: (a) the gross investment in the lease, and (b) the net investment in the lease. The gross investment in the lease is the aggregate of: (a) the minimum lease payments receivable by the lessor under a finance lease; and (b) any unguaranteed residual value accruing to the lessor. The net investment in the lease is the gross investment in the lease discounted at the interest rate implicit in the lease. [Refer: Finance income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
-IssueDate 2017-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2017-03-02&anchor=para_47_b&doctype=Standard&book=B
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_UnearnedFinanceIncomeOnFinanceLease
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: