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Income Taxes (Schedule Of Effective Income Tax Rate For Continuing Operations) (Details)
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Income Taxes [Abstract]    
Income tax expense at federal statutory rate 35.00% 35.00%
State taxes, net of federal income tax benefit 2.20% 1.00%
Valuation allowance for foreign operating loss carry-forwards 1.40% (0.40%)
Valuation allowance for capital loss carry-forwards 1.20% 6.10%
Unremitted earnings from foreign operations 0.70% 1.10%
Non-deductible expenses 0.60% 0.20%
Income tax contingency accruals/reversals 0.60%  
Foreign rate differences (0.20%) (3.60%)
Changes in estimates related to prior year tax provision (0.40%)  
Domestic production activities deduction (1.30%) (0.30%)
Research and development tax credit (1.60%)  
Foreign tax incentives (5.60%) (7.40%)
Other   (0.60%)
Effective income tax rate for income from continuing operations 32.60% 31.10%