v2.4.0.6
Equity (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Balance, December 31, 2012 $ 181,389  
Net earnings (loss) 3,125 4,055
Balance, March 31, 2013 183,398  
Common Stock [Member]
   
Balance, December 31, 2012 10,831  
Net earnings (loss) 0  
Foreign currency translation adjustments 0  
Pension liability adjustment, net of tax 0  
Stock options exercised 149  
Stock-based compensation expense 0  
Income tax benefit from stock options exercised 0  
Shares purchased and retired (173)  
Balance, March 31, 2013 10,807  
Capital in Excess of Par Value [Member]
   
Balance, December 31, 2012 26,184  
Net earnings (loss) 0  
Foreign currency translation adjustments 0  
Pension liability adjustment, net of tax 0  
Stock options exercised 2,350  
Stock-based compensation expense 316  
Income tax benefit from stock options exercised 411  
Shares purchased and retired 0  
Balance, March 31, 2013 29,261  
Reinvested Earnings [Member]
   
Balance, December 31, 2012 149,664  
Net earnings (loss) 3,200  
Foreign currency translation adjustments 0  
Pension liability adjustment, net of tax 0  
Stock options exercised 0  
Stock-based compensation expense 0  
Income tax benefit from stock options exercised 0  
Shares purchased and retired (3,926)  
Balance, March 31, 2013 148,938  
Accumulated Other Comprehensive Income (Loss) [Member]
   
Balance, December 31, 2012 (12,514)  
Net earnings (loss) 0  
Foreign currency translation adjustments (404)  
Pension liability adjustment, net of tax 233  
Stock options exercised 0  
Stock-based compensation expense 0  
Income tax benefit from stock options exercised 0  
Shares purchased and retired 0  
Balance, March 31, 2013 (12,685)  
Noncontrolling Interest [Member]
   
Balance, December 31, 2012 7,224  
Net earnings (loss) (75)  
Foreign currency translation adjustments (72)  
Pension liability adjustment, net of tax 0  
Stock options exercised 0  
Stock-based compensation expense 0  
Income tax benefit from stock options exercised 0  
Shares purchased and retired 0  
Balance, March 31, 2013 $ 7,077