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Restructuring and Impairment Charges - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Person
Sep. 30, 2011
Person
Sep. 30, 2012
Person
Sep. 30, 2011
Person
Restructuring Cost and Reserve [Line Items]        
Employee termination costs $ 7.5 $ 14.2 $ 58.1 $ 68.2
Number of employees used to determine employee termination costs     2,100 2,534
Number of employees who were terminated as of date 1,919 2,534 1,919 2,534
Other restructuring charges 4.8 9.4 20.6 49.5
Impairment charges     19.6 43.0
Current restructuring reserve (included in accrued liabilities) 46.2   46.2  
Noncurrent restructuring reserve (included in noncurrent liabilities) 42.3   42.3  
Domestic [Member]
       
Restructuring Cost and Reserve [Line Items]        
Number of manufacturing facilities closed     5 5
International Segment [Member]
       
Restructuring Cost and Reserve [Line Items]        
Number of manufacturing facilities closed     1  
Lease Terminations and Other [Member]
       
Restructuring Cost and Reserve [Line Items]        
Other restructuring charges 4.8 9.4 20.6 49.5
Machinery and Equipment [Member]
       
Restructuring Cost and Reserve [Line Items]        
Impairment charges 1.6 10.6 19.2 43.0
Multi-employer Pension Withdrawal Obligations [Member]
       
Restructuring Cost and Reserve [Line Items]        
Other restructuring charges       $ 15.0