SUPPLEMENTARY INFORMATION RELATING TO THE NATURE OF EXPENSES (Lease expenses) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Jan. 01, 2017
Contingent rents recognised as income [abstract]
Amount recognized in the consolidated statement or earnings and comprehensive income relating to operating leases	$ 35,700	$ 26,600
Future minimum lease payments under non-cancellable leases	119,770
Within 1 year
Contingent rents recognised as income [abstract]
Future minimum lease payments under non-cancellable leases	22,862
Between 1 and 5 years
Contingent rents recognised as income [abstract]
Future minimum lease payments under non-cancellable leases	50,205
More than 5 years
Contingent rents recognised as income [abstract]
Future minimum lease payments under non-cancellable leases	$ 46,703

The amount of future minimum lease payments payable 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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
-IssueDate 2017-01-01
-Paragraph 35
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2017-03-02&anchor=para_35_a&doctype=Standard&book=B
-URIDate 2017-03-09

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant