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Exit Activity Costs And Asset Impairments (Summary Of Exit Activity Costs And Asset Impairments) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Restructuring Cost and Reserve [Line Items]    
Total exit activity costs and asset impairments $ 29 $ 1,780
Cost Of Sales [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total exit activity costs and asset impairments 29 1,766
Selling, General, And Administrative Expense [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total exit activity costs and asset impairments   $ 14