XML 12 R4.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Stockholder's equity    
Common stock, par value $ 5 $ 5
Common stock, shares authorized 300 300
Common stock, shares issued 208 208
Common stock, shares outstanding 208 208