XML 23 R8.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Statements of Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-In Capital
Retained Earnings
Treasury Stock
Accumulated Other Comprehensive Loss
Shares, Outstanding at Dec. 31, 2014   24,056     (4,498)  
Beginning Balance at Dec. 31, 2014 $ 497,537 $ 2 $ 334,074 $ 464,324 $ (230,000) $ (70,863)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net earnings 55,983     55,983    
Performance share and restricted stock unit awards (in shares)   137        
Performance share and restricted stock unit awards 6,021   6,021      
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax 15,315         15,315
Purchase of treasury stock (in shares)         1,882  
Purchase of treasury stock (99,990)       $ (99,990)  
Shares, Outstanding at Dec. 31, 2015   24,193     (6,380)  
Ending Balance at Dec. 31, 2015 474,866 $ 2 340,095 520,307 $ (329,990) (55,548)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net earnings 49,554     49,554 $ 0  
Performance share and restricted stock unit awards (in shares)   30        
Performance share and restricted stock unit awards 6,985   6,985      
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax 3,795         3,795
Purchase of treasury stock (in shares)         1,356  
Purchase of treasury stock (65,327)       $ (65,327)  
Shares, Outstanding at Dec. 31, 2016         (7,736)  
Ending Balance at Dec. 31, 2016 469,873 $ 2 347,080 569,861 $ (395,317) (51,753)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net earnings 97,339     97,339    
Performance share and restricted stock unit awards (in shares)   46        
Performance share and restricted stock unit awards 5,327   5,327     0
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (7,770) $ 0     $ 0 7,770
Purchase of treasury stock (in shares)         7,821  
Purchase of treasury stock 0 $ 0 (351,246) (48,946) $ 400,192  
Shares, Outstanding at Dec. 31, 2017   16,448     0  
Ending Balance at Dec. 31, 2017 $ 575,434 $ 2 $ 1,161 $ 618,254 $ 0 $ (43,983)