RECEIVABLES, CONTRACT ASSETS, AND DEFERRED REVENUE - Summary of Unbilled Receivables (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Receivables [Abstract]
1 year or less	$ 172,090	$ 172,656
1-2 years	84,045
2-5 years	39,917
Total	$ 296,052
Percentage of unbilled receivables, 1 Year or Less	59.00%
Percentage of unbilled receivables, 1-2 Years	28.00%
Percentage of unbilled receivables, 2-5 Years	13.00%
Total percentage of unbilled receivables	100.00%

Unbilled Receivables Current and Non Current

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- Definition

Unbilled receivables current and non current percentage.

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No definition available.

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- Definition

Unbilled receivables not billable at balance sheet date amount expected to be collected within year one and two.

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No definition available.

+ Details

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- Definition

Unbilled receivables not billable at balance sheet date amount expected to be collected within year two and five.

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No definition available.

+ Details

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- Definition

Unbilled receivables not billable at balance sheet date expected percentage to be collected within one year.

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No definition available.

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- Definition

Unbilled receivables not billable at balance sheet date expected percentage to be collected within year one and two.

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No definition available.

+ Details

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- Definition

Unbilled receivables not billable at balance sheet date expected percentage to be collected within year two and five.

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No definition available.

+ Details

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- References

No definition available.

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- Definition

Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

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No definition available.

+ Details

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