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INTANGIBLE ASSETS AND GOODWILL (Tables)
 6 Months Ended
Jul. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Acquisition-Related Intangible Assets Acquisition-related intangible assets, excluding certain intangible assets previously acquired that were fully amortized and removed from our condensed consolidated balance sheets, consisted of the following as of July 31, 2022 and January 31, 2022:
 
 July 31, 2022
(in thousands)CostAccumulated
Amortization		Net
Intangible assets with finite lives:   
Customer relationships$451,655 $(375,861)$75,794 
Acquired technology221,865 (204,711)17,154 
Trade names5,132 (4,710)422 
Distribution network2,440 (2,440)— 
Total intangible assets$681,092 $(587,722)$93,370 
 
 January 31, 2022
(in thousands)CostAccumulated
Amortization		Net
Intangible assets with finite lives:   
Customer relationships$467,408 $(375,827)$91,581 
Acquired technology229,501 (203,895)25,606 
Trade names5,677 (4,610)1,067 
Distribution network2,440 (2,440)— 
    Total intangible assets$705,026 $(586,772)$118,254 
Schedule of Estimated Future Amortization Expense on Finite-lived Acquisition-related Intangible Assets
Estimated future amortization expense on finite-lived acquisition-related intangible assets is as follows:

(in thousands) 
Years Ending January 31,Amount
2023 (remainder of year)$18,708 
202430,069 
202514,403 
202613,210 
20279,339 
2028 and thereafter7,641 
   Total$93,370 
Schedule of Goodwill Activity
Goodwill activity for the six months ended July 31, 2022 was as follows: 

(in thousands)Amount
Six Months Ended July 31, 2022:
Goodwill, gross, at January 31, 2022$1,409,464 
Accumulated impairment losses through January 31, 2022(56,043)
   Goodwill, net, at January 31, 20221,353,421 
Foreign currency translation(38,046)
Business combinations, including adjustments to prior period acquisitions(266)
   Goodwill, net, at July 31, 2022$1,315,109 
Balance at July 31, 2022 
Goodwill, gross, at July 31, 2022$1,371,152 
Accumulated impairment losses through July 31, 2022(56,043)
   Goodwill, net, at July 31, 2022$1,315,109