XML 47 R50.htm IDEA: XBRL DOCUMENT v2.4.0.6
Discontinued Operations (Tables)
12 Months Ended
Dec. 31, 2011
Discontinued Operations [Abstract]  
Summary of financial information for discontinued operations
                         
    Year Ended December 31,  
    2011     2010     2009  

Income Statement Data

                       

Gain (loss) on disposition, net of tax

  $ (13   $ 168     $ 76  

Income (loss) from operations, net of tax

  $     $ (1   $ (2