v2.4.0.6
Equity (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Balance, December 31, 2012     $ 181,389  
Net earnings 2,265 2,552 5,390 6,607
Balance, June 30, 2013 182,601   182,601  
Common Stock [Member]
       
Balance, December 31, 2012     10,831  
Net earnings     0  
Foreign currency translation adjustments     0  
Pension liability adjustment, net of tax     0  
Cash dividends declared     0  
Stock options exercised     168  
Stock-based compensation expense     0  
Income tax benefit from stock options exercised     0  
Shares purchased and retired     (195)  
Balance, June 30, 2013 10,804   10,804  
Capital in Excess of Par Value [Member]
       
Balance, December 31, 2012     26,184  
Net earnings     0  
Foreign currency translation adjustments     0  
Pension liability adjustment, net of tax     0  
Cash dividends declared     0  
Stock options exercised     2,660  
Stock-based compensation expense     633  
Income tax benefit from stock options exercised     455  
Shares purchased and retired     0  
Balance, June 30, 2013 29,932   29,932  
Reinvested Earnings [Member]
       
Balance, December 31, 2012     149,664  
Net earnings     5,405  
Foreign currency translation adjustments     0  
Pension liability adjustment, net of tax     0  
Cash dividends declared     (1,945)  
Stock options exercised     0  
Stock-based compensation expense     0  
Income tax benefit from stock options exercised     0  
Shares purchased and retired     (4,428)  
Balance, June 30, 2013 148,696   148,696  
Accumulated Other Comprehensive Income (Loss) [Member]
       
Balance, December 31, 2012     (12,514)  
Net earnings     0  
Foreign currency translation adjustments     (1,362)  
Pension liability adjustment, net of tax     501  
Cash dividends declared     0  
Stock options exercised     0  
Stock-based compensation expense     0  
Income tax benefit from stock options exercised     0  
Shares purchased and retired     0  
Balance, June 30, 2013 (13,375)   (13,375)  
Noncontrolling Interest [Member]
       
Balance, December 31, 2012     7,224  
Net earnings     (15)  
Foreign currency translation adjustments     (665)  
Pension liability adjustment, net of tax     0  
Cash dividends declared     0  
Stock options exercised     0  
Stock-based compensation expense     0  
Income tax benefit from stock options exercised     0  
Shares purchased and retired     0  
Balance, June 30, 2013 $ 6,544   $ 6,544