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Summary of Significant Accounting Policies and Recently Issued Accounting Standards - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Reporting_Unit
Dec. 31, 2012
Reporting_Unit
Dec. 31, 2011
Dec. 31, 2010
Significant Accounting Policies [Line Items]        
Number of global business divisions 3      
Number of prior business units 7 7    
Deferred tax assets $ 393.0 $ 393.0 $ 156.2  
Non-current deferred tax liabilities 472.5 472.5 439.7  
Misclassification adjustment of current deferred tax assets 65 65    
Misclassification adjustment of noncurrent deferred tax liabilities 65 65    
Charges for rebates and other allowances, recognized   12.00% 7.00%  
Charges for rebates and other allowances, recognized       Less than 5%
Research and development costs   135 105 88
Identifiable intangible assets useful life   10 years 4 months 24 days    
Percentage of identifiable intangible assets in consolidated assets   12.00% 18.00%  
Restatement Adjustment [Member]
        
Significant Accounting Policies [Line Items]        
Deferred tax assets     165.0  
Non-current deferred tax liabilities     467.0  
Previously Reported [Member]
        
Significant Accounting Policies [Line Items]        
Deferred tax assets     230.0  
Non-current deferred tax liabilities     $ 532.0  
Minimum [Member]
        
Significant Accounting Policies [Line Items]        
Identifiable intangible assets useful life   3 years    
Minimum [Member] | Machinery and equipment [Member]
        
Significant Accounting Policies [Line Items]        
Useful Life   5 years    
Minimum [Member] | Building [Member]
        
Significant Accounting Policies [Line Items]        
Useful Life   20 years    
Minimum [Member] | Other property and equipment [Member]
        
Significant Accounting Policies [Line Items]        
Useful Life   2 years    
Maximum [Member]
        
Significant Accounting Policies [Line Items]        
Identifiable intangible assets useful life   15 years    
Maximum [Member] | Machinery and equipment [Member]
        
Significant Accounting Policies [Line Items]        
Useful Life   10 years    
Maximum [Member] | Building [Member]
        
Significant Accounting Policies [Line Items]        
Useful Life   40 years    
Maximum [Member] | Other property and equipment [Member]
        
Significant Accounting Policies [Line Items]        
Useful Life   10 years