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FINANCING ARRANGEMENTS - Schedule of Notes (Details) - Senior Notes - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2025
Jul. 31, 2025
Jul. 02, 2025
Dec. 31, 2024
Nov. 30, 2024
4.875% Convertible Senior Notes Due 2030          
Debt Instrument [Line Items]          
Fair value of principal recorded at issuance $ 244,071        
Plus: Unamortized debt premium 22,522   $ 23,600    
Less: debt discount (2,182)        
Net carrying amount of liability component 264,411        
6.25% Convertible Senior Notes Due 2027          
Debt Instrument [Line Items]          
Fair value of principal recorded at issuance 46,210     $ 196,210  
Less: debt discount (557)     (3,483)  
Net carrying amount of liability component 45,653 $ 47,300   192,727  
Debt instrument, issued amount 176,300        
Proceeds from sale and issuance of debt 19,900        
Fair value amount     $ 46,200    
1.125% Convertible Senior Notes Due 2026          
Debt Instrument [Line Items]          
Fair value of principal recorded at issuance 33,740     53,740  
Less: debt discount (108)     (454)  
Net carrying amount of liability component $ 33,632 $ 33,700   $ 53,286 $ 53,700