DERIVATIVE INSTRUMENTS DERIVATE INSTRUMENTS (Details 3) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Foreign currency contracts \| Not designated as hedging instruments
Derivative Instruments, Gain (Loss)
Foreign currency contract gain (loss)	$ 0	$ 471	$ (159)	$ 660

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration