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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Relevant Exchange Rates) (Details) | 12 Months Ended
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Dec. 31, 2018 ₪ / $ R$ / $ $ / $ | Dec. 31, 2017 ₪ / $ R$ / $ $ / $ | Dec. 31, 2016 ₪ / $ R$ / $ $ / $
IL [Member] |  |  |  |
Dollar Exchange Rate of Relevant Currencies [Line Items] |  |  |  |
Exchange rate of one US dollar | ₪ / $ |  | 3.748 | 3.467 | 3.845
Increase (decrease) during the year: Exchange rate of one US dollar |  | 8.10% | (9.83%) | (1.46%)
BR [Member] |  |  |  |
Dollar Exchange Rate of Relevant Currencies [Line Items] |  |  |  |
Exchange rate of one US dollar | R$ / $ |  | 3.8748 | 3.3080 | 3.2591
Increase (decrease) during the year: Exchange rate of one US dollar |  | 17.13% | 1.50% | (16.54%)
ZMK [Member] |  |  |  |
Dollar Exchange Rate of Relevant Currencies [Line Items] |  |  |  |
Exchange rate of one US dollar | $ / $ | [1] | 37.801 | 18.774 | 15.850
Increase (decrease) during the year: Exchange rate of one US dollar | [1] | 101.35% | 18.45% | 21.87%
Israeli Consumer Price Index [Member] |  |  |  |
Dollar Exchange Rate of Relevant Currencies [Line Items] |  |  |  |
Exchange rate of one US dollar | [2] | 113.95 | 113.05 | 112.59
Increase (decrease) during the year: Exchange rate of one US dollar | [2] | 0.80% | 0.40% | (0.20%)
[1] | Commencing the third quarter of 2018 the Argentinian economy declared as a hyperinflationary economy (See above).
[2] | Based on the Index for the month ending on each balance sheet date, on the basis of 2008 average 100.

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