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Retirement Plans And Postretirement Benefits (Reconciliation Of Pension Plans' Benefit Obligations, Fair Value Of Assets Retirement Plans) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Changes in Plan Assets:      
Fair value of plan assets at end of year $ 72,685    
Funded status: (5,736) (8,561)  
U.S. [Member] | Postretirement Benefit Costs [Member]
      
Changes in Benefit Obligation:      
Net benefit obligation at beginning of year 13,506 14,316  
Service cost 0 0 0
Interest cost 371 497 583
Foreign currency exchange rates 0 0  
Actuarial loss (gain) (1,284) 60  
Gross benefits paid (1,318) (1,367)  
Plan amendment 0 0  
Net benefit obligation at end of year 11,275 13,506 14,316
Changes in Plan Assets:      
Fair value of plan assets at beginning of year 0 0  
Employer contributions 1,318 1,367  
Gross benefits paid (1,318) (1,367)  
Fair value of plan assets at end of year 0 0 0
Funded status: (11,275) (13,506)  
Prior service credit 0 0  
Current liabilities (1,279) (1,394)  
Non-current liabilities (9,996) (12,112)  
Net amount recognized (11,275) (13,506)  
U.S. [Member] | Retirement Plans [Member]
      
Changes in Benefit Obligation:      
Net benefit obligation at beginning of year 151,469 144,809  
Service cost 870 610 525
Interest cost 5,438 6,114 6,759
Foreign currency exchange rates 0 0  
Actuarial loss (gain) (14,433) 8,695  
Gross benefits paid (8,557) (8,759)  
Net benefit obligation at end of year 134,787 151,469 144,809
Changes in Plan Assets:      
Fair value of plan assets at beginning of year 91,319 80,935  
Actual return on plan assets 1,979 8,643  
Foreign currency exchange rate changes 0 0  
Employer contributions 6,134 10,500  
Participant contributions 0 0  
Actuarial loss 0 0  
Gross benefits paid (8,557) (8,759)  
Fair value of plan assets at end of year 90,875 91,319 80,935
Funded status: (43,912) (60,150)  
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Arising During Period, before Tax 0 0  
Non-current assets 0 0  
Current liabilities (440) (557)  
Non-current liabilities (43,472) (59,593)  
Net amount recognized (43,912) (60,150)  
Defined Benefit Plan, Plan Amendments 0 0  
Foreign [Member] | Postretirement Benefit Costs [Member]
      
Changes in Benefit Obligation:      
Net benefit obligation at beginning of year 19,188 17,592  
Service cost 105 183 178
Interest cost 994 1,024 1,064
Foreign currency exchange rates (2,183) (157)  
Actuarial loss (gain) (1,365) 541  
Gross benefits paid (1,161) (1,165)  
Plan amendment 67 1,170  
Net benefit obligation at end of year 15,645 19,188 17,592
Changes in Plan Assets:      
Fair value of plan assets at beginning of year 0 0  
Employer contributions 1,161 1,165  
Gross benefits paid (1,161) (1,165)  
Fair value of plan assets at end of year 0 0 0
Funded status: (15,645) (19,188)  
Prior service credit 1,882 2,208  
Current liabilities (1,035) (1,132)  
Non-current liabilities (14,610) (18,056)  
Net amount recognized (15,645) (19,188)  
Foreign [Member] | Retirement Plans [Member]
      
Changes in Benefit Obligation:      
Net benefit obligation at beginning of year 80,311 73,217  
Service cost 1,177 1,095 343
Interest cost 2,542 2,532 2,501
Foreign currency exchange rates 1,549 3,153  
Actuarial loss (gain) (3,257) 2,995  
Gross benefits paid (3,997) (3,028)  
Net benefit obligation at end of year 78,421 80,311 73,217
Changes in Plan Assets:      
Fair value of plan assets at beginning of year 71,750 65,960  
Actual return on plan assets (517) 3,668  
Foreign currency exchange rate changes 1,404 2,919  
Employer contributions 3,703 1,884  
Participant contributions 342 347  
Actuarial loss 0 0  
Gross benefits paid (3,997) (3,028)  
Fair value of plan assets at end of year 72,683 71,750 65,960
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Arising During Period, before Tax (6) (266)  
Non-current assets 0 0  
Current liabilities (524) (260)  
Non-current liabilities (5,214) (8,301)  
Net amount recognized (5,738) (8,561)  
Defined Benefit Plan, Plan Amendments $ (246) $ 0