XML 51 R56.htm IDEA: XBRL DOCUMENT v2.4.0.6
Property, Plant and Equipment - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Property, Plant and Equipment [Line Items]      
Depreciation expense $ 70.6 $ 46.2 $ 46.4
Interest expense, capitalized 3.7 0.5  
Building and Building Improvements
     
Property, Plant and Equipment [Line Items]      
Capital leases asset 23.1    
Machinery and Equipment
     
Property, Plant and Equipment [Line Items]      
Capital leases asset $ 1.0