INTANGIBLE ASSETS AND GOODWILL
3 Months Ended
Apr. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS AND GOODWILL INTANGIBLE ASSETS AND GOODWILL
 
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 April 30, 2022 and January 31, 2022:
 
 April 30, 2022
(in thousands)CostAccumulated
Amortization
Net
Intangible assets with finite lives:   
Customer relationships$456,247 $(373,221)$83,026 
Acquired technology224,284 (203,193)21,091 
Trade names5,146 (4,425)721 
Distribution network2,440 (2,440)— 
Total intangible assets$688,117 $(583,279)$104,838 
 
 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 

Total amortization expense recorded for acquisition-related intangible assets was $10.5 million and $11.7 million for the three months ended April 30, 2022 and 2021, respectively. The reported amount of net acquisition-related intangible assets can fluctuate from the impact of changes in foreign currency exchange rates on intangible assets not denominated in U.S. dollars.

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)$29,189 
202430,476 
202514,586 
202613,360 
20279,466 
2028 and thereafter7,761 
   Total$104,838 
 
There were no impairments of acquired intangible assets during the three months ended April 30, 2022 and 2021.

Goodwill activity for the three months ended April 30, 2022 was as follows: 

(in thousands)Amount
Three Months Ended April 30, 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 and other(25,977)
   Goodwill, net, at April 30, 2022$1,327,444 
Balance at April 30, 2022 
Goodwill, gross, at April 30, 2022$1,383,487 
Accumulated impairment losses through April 30, 2022(56,043)
   Goodwill, net, at April 30, 2022$1,327,444