XML 23 R25.htm IDEA: XBRL DOCUMENT
v2.4.0.6

SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
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 of Options Granted | The fair value of options granted and Employee Stock Purchase Plan in 2010, 2011 and 2012 is estimated at the date of grant using a Black-Scholes-Merton options pricing model with the following weighted average assumptions:
|  | Year ended December 31, |
Employee Stock Options |  | 2010 |  |  | 2011 |  |  | 2012 |
Expected volatility |  |  | 31.99 | % |  |  | 29.59 | % |  |  | 29.37 | %
Risk-free interest rate |  |  | 1.97 | % |  |  | 2.04 | % |  |  | 0.75 | %
Dividend yield |  |  | 0.0 | % |  |  | 0.0 | % |  |  | 0.0 | %
Expected term (years) |  |  | 5.71 |  |  |  | 5.84 |  |  |  | 5.58 |
Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |
Expected volatility |  |  | 20.20 | % |  |  | 23.94 | % |  |  | 32.04 | %
Risk-free interest rate |  |  | 0.16 | % |  |  | 0.14 | % |  |  | 0.09 | %
Dividend yield |  |  | 0.0 | % |  |  | 0.0 | % |  |  | 0.0 | %
Expected term (years) |  |  | 0.5 |  |  |  | 0.5 |  |  |  | 0.5 |

X
- Definition Schedule Of Annual Rate Of Depreciation On Property And Equipment [Table Text Block] + References No definition available. + Details
Name: | chkp_ScheduleOfAnnualRateOfDepreciationOnPropertyAndEquipmentTableTextBlock
Namespace Prefix: | chkp_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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, and (d) risk-free rate(s). + References No definition available. + Details
Name: | chkp_ScheduleOfShareBasedPaymentAwardStockOptionsAssumptionsForValuationTableTextBlock
Namespace Prefix: | chkp_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration