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REVENUE RECOGNITION - Remaining Performance Obligations (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	$ 696,434	$ 721,832
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-02-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue performance obligation, period (up to)		1 year
Remaining performance obligations		$ 447,428
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-08-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue performance obligation, period (up to)	1 year
Remaining performance obligations	$ 418,233
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-08-01 | Maximum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue performance obligation, period (up to)	3 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-02-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue performance obligation, period (up to)
Remaining performance obligations		$ 274,404
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-08-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue performance obligation, period (up to)
Remaining performance obligations	$ 278,201

X

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045

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+ References

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- Definition

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045

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