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INTANGIBLE ASSETS AND GOODWILL - Schedule of Acquisition-Related Intangible Assets (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	$ 681,092	$ 705,026
Accumulated Amortization	(587,722)	(586,772)
Net	93,370	118,254
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	451,655	467,408
Accumulated Amortization	(375,861)	(375,827)
Net	75,794	91,581
Acquired technology
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	221,865	229,501
Accumulated Amortization	(204,711)	(203,895)
Net	17,154	25,606
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	5,132	5,677
Accumulated Amortization	(4,710)	(4,610)
Net	422	1,067
Distribution network
Acquired Finite-Lived Intangible Assets [Line Items]
Cost	2,440	2,440
Accumulated Amortization	(2,440)	(2,440)
Net	$ 0	$ 0

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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-Name Accounting Standards Codification
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