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Pension Plans and Other Postretirement Benefits (Cash Contributions Made And Expected Remaining Contributions For Pension And Postretirement Benefit Plans) (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2016
USD ($)
Domestic Pension Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Actual Cash Contributions, Pension benefits $ 4,817
Expected Remaining Cash Contributions 14,450
Domestic Postretirement Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Actual Cash Contributions, Postretirement benefits 230
Expected Remaining Cash Contributions 689
Foreign Pension Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Actual Cash Contributions, Pension benefits 1,336
Expected Remaining Cash Contributions $ 4,049