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SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Summary of Annual Rate of Depreciation on Property and Equipment

Depreciation is calculated using the straight-line method over the estimated useful lives of the assets at the following annual rates:

		%
Computers and peripheral equipment		33 - 50
Office furniture and equipment		10 - 20
Building		4
Leasehold improvements		The shorter of term of the lease or the useful life of the asset

Weighted Average Assumptions Used to Estimate the Fair Value of Employee Stock Purchase Plans

The fair value of options granted and Employee Stock Purchase Plan in 2020, 2019 and 2018 is estimated at the date of grant using the following weighted average assumptions:

		Year ended December 31,
Employee Stock Options		2020		2019		2018
Employee Stock Options
Expected volatility		23.63%		20.78%		21.98%
Risk-free interest rate		0.32%		1.98%		2.67%
Dividend yield		0.0%		0.0%		0.0%
Expected term (years)		4.15		4.11		5.13
Employee Stock Purchase Plan
Expected volatility		36.58%		18.59%		22.88%
Risk-free interest rate		0.05%		0.8%		1.07%
Dividend yield		0.0%		0.0%		0.0%
Expected term (years)		0.5		0.5		0.5

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- Definition

Schedule Of Annual Rate Of Depreciation On Property And Equipment

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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