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CONSOLIDATED STATEMENTS OF EQUITY - USD ($)
$ in Thousands
Common stock
Capital in excess of par value
Reinvested earnings
Accumulated Other Comprehensive Loss [Member]
Total
Balance at beginning at Dec. 31, 2021 $ 9,709 $ 68,718 $ 147,762 $ (24,794)  
Net earnings     29,540   $ 29,540
Foreign currency translation adjustments       (1,813) (1,813)
Pension liability adjustment (net of tax)       6,414 6,414
Cash dividends declared     (9,240)    
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price 19 262      
Issuance of restricted stock 28 (28)      
Share-based compensation expense   1,523      
Shares purchased and retired (172)   (4,023)    
Balance at ending at Dec. 31, 2022 9,584 70,475 164,039 (20,193) 223,905
Net earnings     30,188   30,188
Foreign currency translation adjustments       642 642
Pension liability adjustment (net of tax)       2,240 2,240
Cash dividends declared     (9,413)    
Common stock issued under equity incentive plans, net of shares withheld for employee taxes and strike price 57 (140)      
Issuance of restricted stock 28 (28)      
Restricted stock forfeited (2) 2      
Share-based compensation expense   1,352      
Shares purchased and retired (170)   (4,168)    
Balance at ending at Dec. 31, 2023 $ 9,497 $ 71,661 $ 180,646 $ (17,311) $ 244,493