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CONSOLIDATED STATEMENTS OF EQUITY - USD ($)
$ in Thousands
Total
Common Stock [Member]
Capital in Excess of Par Value [Member]
Reinvested Earnings [Member]
Accumulated Other Comprehensive Loss [Member]
Noncontrolling Interest [Member]
Balance at Dec. 31, 2016   $ 10,505 $ 50,184 $ 157,468 $ (16,569) $ 6,692
Net earnings (loss) $ 16,699 0 0 16,491 0 208
Foreign currency translation adjustments 1,729 0 0 0 1,303 426
Pension liability adjustment net of tax 2,593 0 0 0 (2,593) 0
Cash dividends declared   0 0 (8,968) 0 0
Cash dividends paid to noncontrolling interest of subsidiary   0 0 0 0 (204)
Stock options exercised   175 4,109 0 0 0
Issuance of restricted stock   31 (31) 0 0 0
Share-based compensation expense   0 1,622 0 0 0
Shares purchased and retired   (549) 0 (14,641) 0 0
Balance at Dec. 31, 2017 205,659 10,162 55,884 150,350 (17,859) 7,122
Net earnings (loss) 19,959 0 0 20,484 0 (525)
Foreign currency translation adjustments (2,076) 0 0 0 (1,604) (472)
Pension liability adjustment net of tax (1,363) 0 0 0 1,363 0
Cash dividends declared   0 0 (9,297) 0 0
Cash dividends paid to noncontrolling interest of subsidiary   0 0 0 0 (88)
Reclassification of stranded tax effects from the adoption of ASU 2018-02 at Dec. 31, 2017   0 0 2,361 (2,361) 0
Acquisition of noncontrolling interest   0 3,408 0 (1,111) (6,037)
Stock options exercised   225 3,479 0 0 0
Issuance of restricted stock   25 (25) 0 0 0
Restricted stock forfeited   (4) 4 0 0 0
Share-based compensation expense   0 1,513 0 0 0
Shares purchased and retired   (351) 0 (11,063) 0 0
Balance at Dec. 31, 2018 $ 205,583 $ 10,057 $ 64,263 $ 152,835 $ (21,572) $ 0