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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Relevant Exchange Rates) (Details) | 12 Months Ended
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Dec. 31, 2017 ₪ / $ R$ / $ $ / $ | Dec. 31, 2016 ₪ / $ R$ / $ $ / $ | Dec. 31, 2015 ₪ / $ R$ / $ $ / $
IL [Member] |  |  |  |
Dollar Exchange Rate of Relevant Currencies [Line Items] |  |  |  |
Exchange rate of one US dollar | ₪ / $ |  | 3.467 | 3.845 | 3.902
Increase (decrease) during the year: Exchange rate of one US dollar |  | (9.83%) | (1.46%) | 0.33%
BR [Member] |  |  |  |
Dollar Exchange Rate of Relevant Currencies [Line Items] |  |  |  |
Exchange rate of one US dollar | R$ / $ |  | 3.3080 | 3.2591 | 3.9048
Increase (decrease) during the year: Exchange rate of one US dollar |  | 1.50% | (16.54%) | 47.01%
ZMK [Member] |  |  |  |
Dollar Exchange Rate of Relevant Currencies [Line Items] |  |  |  |
Exchange rate of one US dollar | $ / $ |  | 18.774 | 15.850 | 13.005
Increase (decrease) during the year: Exchange rate of one US dollar |  | 18.45% | 21.87% | 52.07%
Israeli Consumer Price Index [Member] |  |  |  |
Dollar Exchange Rate of Relevant Currencies [Line Items] |  |  |  |
Exchange rate of one US dollar | [1] | 113.05 | 112.59 | 112.82
Increase (decrease) during the year: Exchange rate of one US dollar | [1] | 0.40% | (0.20%) | (1.00%)
[1] | Based on the Index for the month ending on each balance sheet date, on the basis of 2008 average 100.

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- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 + Details
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