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Pension Plans and Other Postretirement Benefits (Cash Contributions Made And Expected Contributions For Domestic And Foreign Pension And Postretirement Benefit Plans) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Defined Benefit Plan Disclosure [Line Items]    
Actual Cash Contributions, Pension benefits $ 7,573 $ 7,355
Actual Cash Contributions, Postretirement benefits 458 628
Domestic Pension Benefits [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Actual Cash Contributions, Pension benefits 5,635  
Expected Remaining Cash Contributions 16,915  
Domestic Postretirement Benefits [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Actual Cash Contributions, Postretirement benefits 409  
Expected Remaining Cash Contributions 1,228  
Foreign Pension Benefits [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Actual Cash Contributions, Pension benefits 1,938  
Expected Remaining Cash Contributions 4,930  
Foreign Postretirement Benefits [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Actual Cash Contributions, Postretirement benefits 49  
Expected Remaining Cash Contributions $ 147