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Restructuring and Cost Reduction Programs - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Restructuring And Related Activities [Abstract]        
Severance costs     $ 40,000,000  
Restructuring charges on new programs 3,834,000 198,695,000 26,738,000 203,734,000
Cumulative Charges To Date     $ 37,000,000  
Period expected for cash payments for employee benefits and other costs     Over the next twelve months