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Financial Instruments (Schedule of Significant Exchange Rates) (Details) | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
USD [Member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
Spot price of 1 Euro at the reporting date | 1.00 |
1 Euro [Member] | USD [Member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
% of change | 13.90% | (3.40%)
Spot price of 1 Euro at the reporting date | 1.198 | 1.052
1 Euro [Member] | NIS [Member] |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |
% of change | 2.70% | (4.80%)
Spot price of 1 Euro at the reporting date | 4.153 | 4.044

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- Definition The percentage of spot exchange rate at the end of the reporting period. + References No definition available. + Details
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- Definition The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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