XML 29 R21.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Discontinued operations (Tables)
6 Months Ended
Jun. 30, 2011
Discontinued operations [Abstract]  
Summary of certain information with respect to the discontinued operations
                                 
    Three Months Ended,   Six Months Ended,
    June 30,   June 30,
(in millions)   2011   2010   2011   2010
 
Revenues
  $     $ 5.8     $     $ 11.3  
Net loss from discontinued operations, net of tax
          (17.4 )           (17.8 )
Income tax benefit from discontinued operations
  $     $ (10.3 )   $     $ (10.4 )