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Retirement Plans And Postretirement Benefits (Fair Value Hierarchy, Assets At Fair Value) (Details) - Retirement Plans [Member] - Level 3 [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Investment Contracts [Member]    
Changes in Plan Assets:    
Beginning Balance $ 61,990 $ 58,127
Gain / contributions / currency impact 0 5,585
Distributions (61,990) (1,722)
Ending Balance 0 61,990
Fixed Insurance Contracts [Member]    
Changes in Plan Assets:    
Beginning Balance 13,336 10,865
Gain / contributions / currency impact (2,883) 2,471
Distributions 0 0
Ending Balance $ 10,453 $ 13,336