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Restructuring (Accrued Liability Associated With Restructurings And Reorganization Programs) (Details) (USD $)
In Thousands
6 Months Ended
Jun. 30, 2011
One-Time Termination Benefits To Employees 2010 Restructuring and relocation program [Member]
 
Beginning Balance $ 870
Costs Accrued 312
Payments 972
Ending Balance 210
Due within 12 months 210
One-Time Termination Benefits To Employees 2011 Restructuring program [Member]
 
Beginning Balance  
Costs Accrued 10,080
Payments 4,831
Ending Balance 5,249
Due within 12 months $ 5,249