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Pension Liabilities, Net (Schedule Of Assumptions Used) (Details)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Pension Liabilities, Net [Abstract]    
Discount rate 4.20% 3.80%
Expected return on plan assets 3.60% 4.10%
Rate of compensation increase 3.25% 3.50%