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v3.20.4

REVENUE - Nature of goods and services (Details) $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
May 31, 2019 USD ($) | Dec. 31, 2020 USD ($) country | Dec. 31, 2019 USD ($)
REVENUE |  |  |
Worldwide support organization maintained in number of countries | country |  | 10 |
Deferred revenue transferred to buyer during sale | $ 22.0 |  |
Deferred Service Revenue |  | $ 8.7 | $ 9.2

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