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Condensed Consolidated Statements Of Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Capital Surplus [Member]
Accumulated Other Comprehensive (Loss) Income [Member]
 [1]
Retained Earnings [Member]
Treasury Stock [Member]
Noncontrolling Interests [Member]
Balance at Dec. 31, 2013 $ 1,479,626 $ 676 $ 408,083 $ (65,777) $ 1,133,873 $ (10,590) $ 13,361
Net income including noncontrolling interests 82,842       81,174   1,668
Other comprehensive income 962     962      
Common stock issued under share-based compensation plans [2] 10,188 5 9,895     288  
Tax withholding for common stock issued under share-based compensation plans (1,481)   (1,481)        
Common stock issued under employee stock purchase plan 1,753   1,753        
Common stock dividends (10,743)       (10,892)    
Common stock dividends, accrued dividend shares     149        
Repurchase of common stock (18,724) (4) (18,720)        
Distributions to noncontrolling interests (1,400)           (1,400)
Share-based compensation expense 4,468   4,468        
Balance at Jun. 30, 2014 1,547,491 677 404,147 (64,815) 1,204,155 (10,302) 13,629
Balance at Dec. 31, 2014 1,429,387 636 227,885 (83,197) 1,280,991 (10,302) 13,374
Net income including noncontrolling interests 79,546       79,698   (152)
Other comprehensive income 904     904      
Common stock issued under share-based compensation plans [2] 2,340 3 2,337        
Tax withholding for common stock issued under share-based compensation plans (3,790)   (3,790)        
Common stock issued under employee stock purchase plan 2,051   2,051        
Common stock dividends (10,054)       (10,165)    
Common stock dividends, accrued dividend shares     111        
Repurchase of common stock (21,148) (5) (21,143)        
Distributions to noncontrolling interests (9,750)           (9,750)
Share-based compensation expense 4,801   4,801        
Balance at Jun. 30, 2015 $ 1,474,287 $ 634 $ 212,252 $ (82,293) $ 1,350,524 $ (10,302) $ 3,472
[1] Represents cumulative foreign currency translation adjustments and post retirement liability adjustments.
[2] Includes the tax benefit associated with share-based compensation of $1.0 million and $5.7 million for the six months ended June 30, 2015 and 2014, respectively.