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Condensed Consolidated Statements of Shareholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-In Capital
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Treasury Stock
Beginning balance (in shares) at Dec. 31, 2023   69,507        
Beginning balance at Dec. 31, 2023 $ 581,549 $ 694 $ 742,981 $ 1,462,070 $ (647) $ (1,623,549)
Treasury stock, beginning balance (in shares) at Dec. 31, 2023           43,927
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 81,652     81,652    
Net change in unrealized gain (loss) on short-term investments (495)       (495)  
Dividends declared (10,147)   343 (10,490)    
Issuance of common stock, net (in shares)   131        
Issuance of common stock, net (8,635) $ 2 (8,637)      
Share-based compensation 9,386   9,386      
Repurchase of common stock (in shares)           277
Repurchase of common stock (29,019)         $ (29,019)
Ending balance (in shares) at Mar. 31, 2024   69,638        
Ending balance at Mar. 31, 2024 624,291 $ 696 744,073 1,533,232 (1,142) $ (1,652,568)
Treasury stock, ending balance (in shares) at Mar. 31, 2024           44,204
Beginning balance (in shares) at Dec. 31, 2023   69,507        
Beginning balance at Dec. 31, 2023 581,549 $ 694 742,981 1,462,070 (647) $ (1,623,549)
Treasury stock, beginning balance (in shares) at Dec. 31, 2023           43,927
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 225,506          
Net change in unrealized gain (loss) on short-term investments 781          
Ending balance (in shares) at Sep. 30, 2024   70,137        
Ending balance at Sep. 30, 2024 722,537 $ 701 794,644 1,654,774 134 $ (1,727,716)
Treasury stock, ending balance (in shares) at Sep. 30, 2024           44,895
Beginning balance (in shares) at Mar. 31, 2024   69,638        
Beginning balance at Mar. 31, 2024 624,291 $ 696 744,073 1,533,232 (1,142) $ (1,652,568)
Treasury stock, beginning balance (in shares) at Mar. 31, 2024           44,204
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 109,664     109,664    
Net change in unrealized gain (loss) on short-term investments (90)       (90)  
Dividends declared (10,052)   443 (10,495)    
Issuance of common stock, net (in shares)   39        
Issuance of common stock, net (1,580)   (1,580)      
Share-based compensation 9,655   9,655      
Repurchase of common stock (in shares)           344
Repurchase of common stock (35,111)         $ (35,111)
Settlement of the 2024 Notes (in shares)   324        
Settlement of the 2024 Notes 0 $ 3 (3)      
Settlement of the 2024 Hedges (in shares)           324
Settlement of the 2024 Hedges 0   37,120     $ (37,120)
Ending balance (in shares) at Jun. 30, 2024   70,001        
Ending balance at Jun. 30, 2024 696,777 $ 699 789,708 1,632,401 (1,232) $ (1,724,799)
Treasury stock, ending balance (in shares) at Jun. 30, 2024           44,872
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 34,190     34,190    
Net change in unrealized gain (loss) on short-term investments 1,366       1,366  
Dividends declared (11,366)   451 (11,817)    
Exercise of common stock options (in shares)   1        
Exercise of common stock options 11   11      
Issuance of common stock, net (in shares)   53        
Issuance of common stock, net (4,601) $ 1 (4,602)      
Share-based compensation 9,081   9,081      
Repurchase of common stock (in shares)           23
Repurchase of common stock (2,917)         $ (2,917)
Settlement of the 2024 Warrants (in shares)   82        
Settlement of the 2027 Hedge (4) $ 1 (5)      
Ending balance (in shares) at Sep. 30, 2024   70,137        
Ending balance at Sep. 30, 2024 $ 722,537 $ 701 794,644 1,654,774 134 $ (1,727,716)
Treasury stock, ending balance (in shares) at Sep. 30, 2024           44,895
Beginning balance (in shares) at Dec. 31, 2024 25,682 70,577        
Beginning balance at Dec. 31, 2024 $ 857,215 $ 705 808,540 1,775,823 (458) $ (1,727,395)
Treasury stock, beginning balance (in shares) at Dec. 31, 2024 44,895         44,895
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income $ 115,602     115,602    
Net change in unrealized gain (loss) on short-term investments 256       256  
Dividends declared (15,577)   450 (16,027)    
Exercise of common stock options (in shares)   100        
Exercise of common stock options 7,315 $ 1 7,314      
Issuance of common stock, net (in shares)   218        
Issuance of common stock, net (32,176) $ 2 (32,178)      
Share-based compensation 9,498   9,498      
Repurchase of common stock (in shares)           24
Repurchase of common stock (5,249)         $ (5,249)
Ending balance (in shares) at Mar. 31, 2025   70,895        
Ending balance at Mar. 31, 2025 $ 936,884 $ 708 793,624 1,875,398 (202) $ (1,732,644)
Treasury stock, ending balance (in shares) at Mar. 31, 2025           44,919
Beginning balance (in shares) at Dec. 31, 2024 25,682 70,577        
Beginning balance at Dec. 31, 2024 $ 857,215 $ 705 808,540 1,775,823 (458) $ (1,727,395)
Treasury stock, beginning balance (in shares) at Dec. 31, 2024 44,895         44,895
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income $ 363,673          
Net change in unrealized gain (loss) on short-term investments $ 678          
Ending balance (in shares) at Sep. 30, 2025 25,783 70,963        
Ending balance at Sep. 30, 2025 $ 1,099,976 $ 709 804,328 2,088,823 220 $ (1,794,104)
Treasury stock, ending balance (in shares) at Sep. 30, 2025 45,180         45,180
Beginning balance (in shares) at Mar. 31, 2025   70,895        
Beginning balance at Mar. 31, 2025 $ 936,884 $ 708 793,624 1,875,398 (202) $ (1,732,644)
Treasury stock, beginning balance (in shares) at Mar. 31, 2025           44,919
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 180,568     180,568    
Net change in unrealized gain (loss) on short-term investments 95       95  
Dividends declared (15,507)   538 (16,045)    
Exercise of common stock options (in shares)   1        
Exercise of common stock options 15   15      
Issuance of common stock, net (in shares)   15        
Issuance of common stock, net (939) $ 1 (940)      
Share-based compensation 11,836   11,836      
Repurchase of common stock (in shares)           123
Repurchase of common stock (26,168)         $ (26,168)
Ending balance (in shares) at Jun. 30, 2025   70,911        
Ending balance at Jun. 30, 2025 1,086,784 $ 709 805,073 2,039,921 (107) $ (1,758,812)
Treasury stock, ending balance (in shares) at Jun. 30, 2025           45,042
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 67,503     67,503    
Net change in unrealized gain (loss) on short-term investments 327       327  
Dividends declared (18,041)   560 (18,601)    
Issuance of common stock, net (in shares)   52        
Issuance of common stock, net (10,646)   (10,646)      
Share-based compensation 9,301   9,301      
Repurchase of common stock (in shares)           138
Repurchase of common stock (35,252)         $ (35,252)
Settlement of the 2024 Hedges     40     (40)
Settlement of the 2027 Hedge $ 0          
Ending balance (in shares) at Sep. 30, 2025 25,783 70,963        
Ending balance at Sep. 30, 2025 $ 1,099,976 $ 709 $ 804,328 $ 2,088,823 $ 220 $ (1,794,104)
Treasury stock, ending balance (in shares) at Sep. 30, 2025 45,180         45,180