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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, 2014 $ 1,429,387 $ 636 $ 227,885 $ (83,197) $ 1,280,991 $ (10,302) $ 13,374
Net income including noncontrolling interests 121,453       121,220   233
Other comprehensive income 1,568     1,568      
Common stock issued under share-based compensation plans [2] 3,619 4 3,615        
Tax withholding for common stock issued under share-based compensation plans (3,866)   (3,866)        
Common stock issued under employee stock purchase plan 3,147   3,147        
Common stock dividends (15,078)       (15,234)    
Common stock dividends, accrued dividend shares     156        
Repurchase of common stock (22,972) (5) (22,967)        
Distributions to noncontrolling interests (9,750)           (9,750)
Share-based compensation expense 6,661   6,661        
Balance at Sep. 30, 2015 1,514,169 635 214,631 (81,629) 1,386,977 (10,302) 3,857
Balance at Dec. 31, 2015 1,480,056 617 130,369 (76,953) 1,432,980 (10,302) 3,345
Net income including noncontrolling interests 141,266       141,259   7
Other comprehensive income 337     337      
Common stock issued under share-based compensation plans [3] 1,492 3 498   991    
Tax withholding for common stock issued under share-based compensation plans (4,166)   (4,166)        
Common stock issued under employee stock purchase plan 3,583   3,583        
Common stock dividends (14,598)       (14,741)    
Common stock dividends, accrued dividend shares     143        
Repurchase of common stock (29,028) (6) (29,022)        
Distributions to noncontrolling interests (2,050)           (2,050)
Share-based compensation expense 7,000   7,000        
Balance at Sep. 30, 2016 $ 1,583,892 $ 614 $ 108,405 $ (76,616) $ 1,560,489 $ (10,302) $ 1,302
[1] Represents cumulative foreign currency translation adjustments and post retirement liability adjustments.
[2] Includes the tax benefit associated with share-based compensation of $1.2 million for the nine months ended September 30, 2015.
[3] Includes a $1.0 million adjustment to retained earnings to recognize net operating loss carryforwards attributable to excess tax benefits on stock compensation upon the adoption of Accounting Standards Update No. 2016-09.