Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity (Details)

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Shareholders' Equity (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Components of accumulated other comprehensive income (loss)        
Foreign Currency Translation Adjustments $ 1,415 $ 1,232    
Mark to Market Adjustments for Derivatives - Before Tax (218) (393)    
Tax Benefit 76 137    
Mark to Market Adjustments for Derivatives - After Tax (142) (256) (338) (242)
Retirement Liability Adjustment - Before Tax (9,316) (2,865)    
Tax Benefit 3,260 1,003    
Retirement Liability Adjustment - After Tax (6,056) (1,862)    
Accumulated Other Comprehensive Loss $ (4,783) $ (886)