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Income Taxes (Narrative) (Details) (USD $)
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Sep. 30, 2013
Income Tax Disclosure [Abstract]      
Effective Income Tax Rate Reconciliation, Percent 31.50% 32.60%  
U.S. statutory rate 35.00%    
Restructuring Charges $ 17,855,000    
Unrecognized tax benefits that would have a favorable impact on effective tax rate     4,700,000
Anticipated Amount Of Unrecognized Tax Benefits 300,000    
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations 2,500,000    
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions $ 2,700,000