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Condensed Consolidated Statements Of Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Capital Surplus [Member]
Accumulated Other Comprehensive Loss [Member]
 [1]
Retained Earnings [Member]
Treasury Stock [Member]
Noncontrolling Interests [Member]
Balance at Dec. 31, 2019 $ 2,057,780 $ 604 $ 32,274 $ (89,288) $ 2,367,481 $ (253,937) $ 646
Net income including noncontrolling interests 75,665       75,665    
Other comprehensive income (loss) (2,434)     (2,434)      
Cumulative-effect adjustment (2) [2] (2,307)       (2,307)    
Common stock issued under share-based compensation plans 1 1          
Tax withholding for common stock issued under share-based compensation plans (2,492)   (2,492)        
Common stock issued under employee stock purchase plan 1,638   1,638        
Common stock dividends (4,500)       (4,534)    
Common stock dividends, accrued dividend shares     34        
Repurchases of common stock (99,048)         (99,048)  
Share-based compensation expense 3,291   3,291        
Balance at Mar. 31, 2020 2,027,594 605 34,745 (91,722) 2,436,305 (352,985) 646
Balance at Dec. 31, 2020 2,053,244 606 47,464 (109,233) 2,480,321 (366,490) 576
Net income including noncontrolling interests 84,945       84,774   171
Other comprehensive income (loss) 1,389     1,389      
Common stock issued under share-based compensation plans 1 1          
Tax withholding for common stock issued under share-based compensation plans (3,750)   (3,750)        
Common stock issued under employee stock purchase plan 1,731   1,731        
Common stock dividends (7,121)       (7,176)    
Common stock dividends, accrued dividend shares     55        
Repurchases of common stock (12,917)         (12,917)  
Distributions to noncontrolling interests (43)           (43)
Share-based compensation expense 3,193   3,193        
Balance at Mar. 31, 2021 $ 2,120,672 $ 607 $ 48,693 $ (107,844) $ 2,557,919 $ (379,407) $ 704
[1] Represents cumulative foreign currency translation adjustments and post retirement liability adjustments.
[2] Represents adjustment to retained earnings upon the adoption of Accounting Standards Codification Topic 326.