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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Retained Earnings (Deficit)
Accumulated Other Comprehensive Losses
Treasury Stock
Balance beginning of period (in shares) at Dec. 31, 2017   57,564,493        
Balance at beginning of period at Dec. 31, 2017 $ 506,063 $ 737 $ 653,435 $ 98,728 $ (2,385) $ (244,452)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income 69,421     69,421    
Foreign currency translation and other (193)       (193)  
Stock-based compensation (in shares)   404,628        
Stock-based compensation 10,169 $ 6 10,163      
Stock repurchase (in shares)   (2,935,978)        
Stock repurchase (58,383)         (58,383)
Equity component of convertible senior notes repurchase (35,519)   (35,519)      
Common stock dividends (17,905)     (17,905)    
Unrealized gain on derivative instruments, net of tax (765)       (765)  
Stock option exercises (in shares)   102,645        
Stock option exercises 961 $ 1 960      
Balance end of period (in shares) at Dec. 31, 2018   55,135,788        
Balance at end of period at Dec. 31, 2018 473,849 $ 744 629,039 150,244 (3,343) (302,835)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income 89,575     89,575    
Foreign currency translation and other 712       712  
Stock-based compensation (in shares)   319,430        
Stock-based compensation 9,036 $ 5 9,031      
Stock repurchase (in shares)   (2,072,798)        
Stock repurchase (33,707)         (33,707)
Common stock dividends (17,978)     (17,978)    
Unrealized gain on derivative instruments, net of tax (1,347)       (1,347)  
Stock option exercises (in shares)   91,200        
Stock option exercises 848 $ 1 847      
Balance end of period (in shares) at Dec. 31, 2019   53,473,620        
Balance at end of period at Dec. 31, 2019 520,988 $ 750 638,917 221,841 (3,978) (336,542)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income (97,412)     (97,412)    
Foreign currency translation and other (316)       (316)  
Stock-based compensation (in shares)   212,009        
Stock-based compensation 4,510 $ 4 4,506      
Stock repurchase (in shares)   (1,262,459)        
Stock repurchase (18,895)         (18,895)
Common stock dividends (17,196)     (17,196)    
Unrealized gain on derivative instruments, net of tax $ 11,927       11,927  
Stock option exercises (in shares) 113,312 113,312        
Stock option exercises $ 1,273 $ 1 1,272      
Balance end of period (in shares) at Dec. 31, 2020   52,536,482        
Balance at end of period at Dec. 31, 2020 $ 404,879 $ 755 $ 644,695 $ 107,233 $ 7,633 $ (355,437)