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SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2017
Accounting Policies [Abstract] |
Schedule Of Annual Depreciation Rates | Property and equipment are stated at cost, net of accumulated depreciation. Depreciation is calculated by the straight-line method over the estimated useful lives of the assets, at the following annual rates:
| %
Computers, manufacturing and peripheral equipment | 6 – 33
Enterprise Resource Planning systems ("ERP") | 10
Office furniture and equipment | Mainly 15
Leasehold improvements | Over the shorter of the term of the lease or useful life of the asset
Schedule Of Stock Option Granted Assumptions | The Company estimates the fair value of stock options granted under ASC 718 using the binomial model with the following weighted-average assumptions for 2015, 2016 and 2017:
|  | December 31,
|  | 2015 |  | 2016 |  | 2017
Dividend yield |  | 0% |  | 0% |  | 0%
Volatility |  | 48%-70% |  | 51%-73% |  | 53%-69%
Risk free interest |  | 0.1%-2.40% |  | 0.2%-2.1% |  | 0.8%-2.2%
Early exercise multiple |  | 2.60-3.40 |  | 2.20-3.40 |  | 2.10-2.20
Schedule of Accumulated Other Comprehensive Income, Net | The components of AOCI, were as follows:
|  | Unrealized Gains (Losses) on Cash Flow Hedges |  |  | Foreign Currency Translation Adjustments |  |  | Total |
Balance as of January 1, 2017 |  | $ | (256 | ) |  | $ | (7,592 | ) |  | $ | (7,848 | )
Other comprehensive income before reclassifications |  |  | 2,331 |  |  |  | 118 |  |  |  | 2,449 |
Amounts reclassified from AOCI |  |  | (1,772 | ) |  |  | - |  |  |  | (1,772 | )
Other comprehensive income |  |  | 559 |  |  |  | 118 |  |  |  | 677 |
Balance as of December 31, 2017 |  | $ | 303 |  |  | $ | (7,474 | ) |  | $ | (7,171 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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