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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)
In Thousands, except Share data, unless otherwise specified
Common Stock
Capital in Excess of Par Value
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Total
Balance at Dec. 31, 2010 $ 3,708 $ 371 $ 83,222 $ (996) $ 86,305
Balance (in shares) at Dec. 31, 2010 37,075,000        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued for stock incentive plans, net 38 1,302      1,340
Stock issued for stock incentive plans, net (in shares) 378,000        
Stock purchased and retired (8) (565)     (573)
Stock purchased and retired (in shares) (78,000)        
Net income     6,731   6,731
Pension adjustment, net of taxes       (504) (504)
Unrealized gain on securities, net of taxes and reclassification adjustments       42 42
Excess tax benefits for share based payments   77     77
Balance at Dec. 31, 2011 3,738 1,185 89,953 (1,458) 93,418
Balance (in shares) at Dec. 31, 2011 37,375,000        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued for stock incentive plans, net 76 2,604     2,680
Stock issued for stock incentive plans, net (in shares) 767,000        
Stock purchased and retired (32) (1,751)     (1,783)
Stock purchased and retired (in shares) (321,000)        
Net income     6,979   6,979
Pension adjustment, net of taxes       (105) (105)
Unrealized gain on securities, net of taxes and reclassification adjustments       (9) (9)
Excess tax benefits for share based payments   379     379
Dividends declared     (23,812)   (23,812)
Balance at Dec. 31, 2012 3,782 2,417 73,120 (1,572) 77,747
Balance (in shares) at Dec. 31, 2012 37,821,000       37,820,521
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued for stock incentive plans, net 37 1,597     1,634
Stock issued for stock incentive plans, net (in shares) 364,000        
Stock purchased and retired (9) (567)     (576)
Stock purchased and retired (in shares) (90,000)        
Net income     7,528   7,528
Pension adjustment, net of taxes       781 781
Unrealized gain on securities, net of taxes and reclassification adjustments       (62) (62)
Excess tax benefits for share based payments   136     136
Dividends declared     (5,705)   (5,705)
Balance at Dec. 31, 2013 $ 3,810 $ 3,583 $ 74,943 $ (853) $ 81,483
Balance (in shares) at Dec. 31, 2013 38,095,000       38,095,322