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Income Taxes (Details 2)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Reconciliation of the statutory federal income tax rate to the effective income tax rate      
Statutory federal income tax rate 35.00% 35.00% 35.00%
State and local income taxes, net of federal income tax benefit 2.50% 3.00% 3.10%
Foreign income taxes (2.20%) (1.00%) (0.50%)
Manufacturing benefits (1.60%) (1.40%) (0.80%)
Research and experimentation and other tax credits (1.00%) (1.00%) (1.30%)
Resolution of tax contingencies (6.70%) (0.60%) (1.90%)
Goodwill impairment 1.10%    
Other, net   0.90% 0.70%
Effective income tax rate 27.10% 34.90% 34.30%