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Retirement Plans And Postretirement Benefits (Projected Future Pension Plan Cash Flow By Year) (Details) - Retirement Plans [Member]
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
U.S. [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Expected employer contributions $ 8,693
Expected employee contributions 0
2012 9,153
2013 9,150
2014 9,182
2015 9,211
2016 9,256
2017-2021 46,479
Foreign [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Expected employer contributions 696
Expected employee contributions 0
2012 893
2013 883
2014 820
2015 665
2016 738
2017-2021 $ 5,336