XML 38 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Tables)
6 Months Ended
Jun. 30, 2012
Income Taxes [Abstract]  
Roll-forward of unrecognized tax benefits and associated accrued interest and penalties
                         

(in millions)

  Interest and
Penalties
    Unrecognized
Tax Benefits
    Total  

Opening balance at January 1, 2012

  $ 0.4     $ 12.2     $ 12.6  

Additions for tax positions of prior periods

    0.1       0.0       0.1  
   

 

 

   

 

 

   

 

 

 

Closing balance at June 30, 2012

    0.5       12.2       12.7  

Current

    (0.3     (2.9     (3.2
   

 

 

   

 

 

   

 

 

 

Non-current

  $ 0.2     $ 9.3     $ 9.5