XML 53 R35.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2012
Fair Value Measurements [Abstract]  
Assets and Liabilities Measured at Fair Value on a Recurring Basis
                 
    Quoted Prices in Active Markets for
Identical Assets (Level 1)
 
    As of June 30,
2012
    As of December 31,
2011
 

Assets:

               

Investment in marketable equity securities (1)

  $ 10.5     $ 8.4  

 

(1) Investment in marketable equity securities is recorded in Other Assets, net in the accompanying Consolidated Balance Sheets.
Other Fair Value Measurements
                                 
    As of June 30,
2012
    As of December 31,
2011
 

Senior unsecured notes

  $         213.0     $         207.0