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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Treasury Stock
Retained Earnings
Accumulated Other Comprehensive Loss
Balance at beginning of period at Dec. 31, 2018 $ 688,989 $ 441,369 $ 1,812,682 $ (2,354,617) $ 1,648,781 $ (859,226)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income (loss) (218,750)       (218,750)  
Other comprehensive (loss) income, net of tax (10,258)         (10,258)
Issuance of treasury stock for restricted stock units vesting (7,510)   (42,930) 35,420    
Deferred compensation 125   (151) 276    
Share-based compensation 55,968   55,968      
Balance at end of period at Dec. 31, 2019 508,564 441,369 1,825,569 (2,318,921) 1,430,031 (869,484)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income (loss) 123,579       123,579  
Other comprehensive (loss) income, net of tax (75,092)         (75,092)
Issuance of treasury stock for stock option exercises 64   (41) 105    
Issuance of treasury stock for restricted stock units vesting (7,263)   (42,830) 35,567    
Deferred compensation 124   (186) 310    
Share-based compensation 60,168   60,168      
Balance at end of period at Dec. 31, 2020 610,144 441,369 1,842,680 (2,282,939) 1,553,610 (944,576)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income (loss) 902,987       902,987  
Other comprehensive (loss) income, net of tax 3,305         3,305
Issuance of treasury stock for stock option exercises 12,131   (4,806) 16,937    
Issuance of treasury stock for restricted stock units vesting (19,987)   (65,774) 45,787    
Deferred compensation 188   (37) 225    
Share-based compensation 60,081   60,081      
Balance at end of period at Dec. 31, 2021 $ 1,568,849 $ 441,369 $ 1,832,144 $ (2,219,990) $ 2,456,597 $ (941,271)