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Debt and Financing Arrangements - Net Carrying Amount (Details) - Convertible Senior Notes - USD ($)
$ in Thousands
Apr. 30, 2024
Jan. 31, 2024
Oct. 13, 2023
Liability Component:      
Principal $ 460,000 $ 460,000  
Less: unamortized issuance costs (11,333) (11,970)  
Net carrying amount 448,667 448,030  
2025 Notes      
Liability Component:      
Principal 57,500 57,500  
Less: unamortized issuance costs (464) (597)  
Net carrying amount 57,036 56,903  
2028 Notes      
Liability Component:      
Principal 402,500 402,500 $ 402,500
Less: unamortized issuance costs (10,869) (11,373)  
Net carrying amount $ 391,631 $ 391,127