XML 28 R42.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
item
Dec. 31, 2012
Dec. 31, 2011
Summary of Significant Accounting Policies      
Minimum number of locations in which company operates metal service network 290    
Number of states in which the company operates metal service center network 39    
Number of countries in which entity operates 10    
Minimum number of metal products distributes by the company 100,000    
Fair Values of Financial Instruments      
Carrying value, before deducting unamortized discount or premiums $ 2,112.3 $ 1,208.9  
Carrying value 2,112.3    
Goodwill Policy      
Number of operating segments 1    
Number of reportable segments 1    
Impairment of goodwill 0 0 0
Tradename      
Impairment of intangible assets 14.9 2.5 0
Senior Unsecured Notes - Publicly Traded
      
Fair Values of Financial Instruments      
Carrying value, before deducting unamortized discount or premiums 1,100.0    
Fair value 1,140.0 675.1  
Carrying value $ 1,100.0 $ 598.5