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Segment Information and Sales to Significant Customers (Tables) | 12 Months Ended
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Sep. 30, 2020
Segment Reporting [Abstract] |
Summary of Revenue by Geographic Area |
|  | Year Ended September 30, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Revenue |  |  |  |  |  |  |  |  |  |  |  |
North America (mainly United States) |  | $ | 2,720,911 |  |  | $ | 2,582,719 |  |  | $ | 2,550,234 |
Europe |  |  | 613,751 |  |  |  | 598,731 |  |  |  | 572,196 |
Rest of the world |  |  | 834,377 |  |  |  | 905,219 |  |  |  | 852,407 |
Total |  | $ | 4,169,039 |  |  | $ | 4,086,669 |  |  | $ | 3,974,837 |
Summary of Long-Lived Assets by Geographic Area |
|  | As of September 30, |
|  | 2020 |  |  | 2019 |
Long-lived Assets(1) |  |  |  |  |  |  |  |
Europe |  | $ | 211,292 |  |  | $ | 206,086 |
North America |  |  | 104,918 |  |  |  | 95,876 |
Rest of the world: |  |  |  |  |  |  |  |
Israel ( 2) |  |  | 237,561 |  |  |  | 168,493 |
India |  |  | 38,706 |  |  |  | 36,546 |
Others |  |  | 15,474 |  |  |  | 18,313 |
Total |  | $ | 607,951 |  |  | $ | 525,314 |
(1) | Property and equipment, net.
(2) | For more details, see also note 2.
Revenue by Nature of Activities | Revenue by nature of activities
|  | Year Ended September 30, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Managed services arrangements |  | $ | 2,398,691 |  |  | $ | 2,246,279 |  |  | $ | 2,051,589 |
Others |  |  | 1,770,348 |  |  |  | 1,840,390 |  |  |  | 1,923,248 |
Total |  | $ | 4,169,039 |  |  | $ | 4,086,669 |  |  | $ | 3,974,837 |
Summary Sales to Significant Customers | The following table summarizes the percentage of sales to significant customer groups which accounted for at least ten percent of its total revenue in each of fiscal years 2020, 2019 and 2018.
|  | Year Ended September 30, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Revenue |  |  |  |  |  |  |  |  |  |  |  |
Customer 1 |  |  | 25.8 | % |  |  | 23.4 | % |  |  | 27.3 | %
Customer 2 |  |  | 12.1 | % |  |  | * |  |  |  | * |
* | Represents an amount of less than 10%.

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- Definition Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer. + References No definition available. + Details
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