STOCKHOLDERS' EQUITY - Textuals (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Stockholders' Equity [Abstract]
Common stock, shares issued	0	0	0	0
Treasury stock, shares utilized of equity awards	111,583	189,313	383,119	189,471
Aggregate purchase price			$ 16,622

Number of new stock issued during the period.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Balance Type:	na
Period Type:	duration