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Retirement Benefits (Amounts In Accumulated Other Comprehensive Income (Loss) Expected To Be Recognized As Components Of Net Periodic Benefit Cost During 2012) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]  
Prior service cost (credit) $ (238)
Net loss 6,780
Total 6,542
U.S. Plans [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
Prior service cost (credit) 126
Net loss 6,240
Total 6,366
Non-U.S. Plans [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
Prior service cost (credit) 9
Net loss 315
Total 324
Other Postretirement Benefit Plans [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
Prior service cost (credit) (373)
Net loss 225
Total $ (148)