v3.26.1
Debt and Financing Arrangements (Tables)
 6 Months Ended
Jul. 31, 2026
Debt Disclosure [Abstract]  
Summary of Net Carrying Amount of Liability and Equity Components of Convertible Notes
The net carrying amount of the 2028 Notes was as follows as of the dates indicated (in thousands):

As of July 31, 2026As of January 31, 2026
Principal$402,500 $402,500 
Unamortized issuance costs(5,570)(6,771)
Net carrying amount$396,930 $395,729 

Interest expense recognized related to the 2028 Notes and the 2025 Notes was as follows for the periods indicated (in thousands):

Three months ended July 31,Six months ended July 31,
2026202520262025
Contractual interest expense$1,507 $1,632 $3,019 $3,318 
Amortization of debt issuance costs606 654 1,201 1,332 
Total interest expense related to the 2025 Notes and the 2028 Notes$2,113 $2,286 $4,220 $4,650