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GEOGRAPHIC INFORMATION AND SELECTED STATEMENTS OF INCOME DATA (Tables) | 12 Months Ended
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Dec. 31, 2017
Text Block [Abstract] |
Summary of Revenue by Geographic Area |
| 1. | Revenues based on the channel partners’ location:
|  | Year ended December 31, |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Americas, principally U.S. |  | $ | 871,297 |  |  | $ | 847,458 |  |  | $ | 791,568 |
Europe |  |  | 674,987 |  |  |  | 627,524 |  |  |  | 595,850 |
Asia-Pacific, Middle-East and Africa |  |  | 308,374 |  |  |  | 266,319 |  |  |  | 242,420 |
|  | $ | 1,854,658 |  |  | $ | 1,741,301 |  |  | $ | 1,629,838 |
Property and Equipment, Net by Geographic Area |
| 2. | Property and equipment, net:
|  | December 31, |
|  | 2017 |  |  | 2016 |
Israel |  | $ | 71,655 |  |  | $ | 56,682 |
U.S. |  |  | 2,782 |  |  |  | 2,952 |
Rest of the world |  |  | 3,330 |  |  |  | 2,225 |
|  | $ | 77,767 |  |  | $ | 61,859 |
Total Revenues by Product Lines |
b. | Summary information about product lines:
The Company’s products can be classified by three main product lines. The following table presents total revenues for the years ended December 31, 2017, 2016 and 2015 by product lines:
|  | Year ended December 31, |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Product and licenses: |  |  |  |  |  |  |  |  |  |  |  |
Network security Gateways |  | $ | 506,057 |  |  | $ | 516,254 |  |  | $ | 485,778 |
Other *) |  |  | 52,969 |  |  |  | 56,710 |  |  |  | 70,014 |
|  |  | 559,026 |  |  |  | 572,964 |  |  |  | 555,792 |
Security subscriptions |  |  | 480,352 |  |  |  | 389,885 |  |  |  | 318,624 |
Software updates and maintenance |  |  | 815,280 |  |  |  | 778,452 |  |  |  | 755,422 |
Total revenues |  | $ | 1,854,658 |  |  | $ | 1,741,301 |  |  | $ | 1,629,838 |
| *) | Comprised of Endpoint security, Mobile security and Security management products, each comprising of less than 10% of products and licenses revenues.
Summary of Financial Income, Net |
| c. | Financial income, net:
|  | Year ended December 31, |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Financial income: |  |  |  |  |  |  |  |  |  |  |  |
Interest income |  | $ | 74,900 |  |  | $ | 69,425 |  |  | $ | 67,581 |
Realized gain on sale of marketable securities, net |  |  | — |  |  |  | 2,993 |  |  |  | 16 |
|  |  | 74,900 |  |  |  | 72,418 |  |  |  | 67,597 |
Financial expense: |  |  |  |  |  |  |  |  |  |  |  |
Amortization of marketable securities premium and accretion of discount, net |  |  | 20,012 |  |  |  | 23,388 |  |  |  | 29,622 |
Realized loss on sale of marketable securities, net |  |  | 176 |  |  |  | — |  |  |  | — |
Foreign currency re-measurement loss |  |  | 5,555 |  |  |  | 2,658 |  |  |  | 485 |
Others |  |  | 2,128 |  |  |  | 1,970 |  |  |  | 3,417 |
|  |  | 27,871 |  |  |  | 28,016 |  |  |  | 33,524 |
|  | $ | 47,029 |  |  | $ | 44,402 |  |  | $ | 34,073 |

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