XML 41 R3.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
Mar. 31, 2012
Dec. 31, 2011
Consolidated Balance Sheets [Abstract]    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares issued 426,184,373 423,900,601
Common stock, shares outstanding 426,184,373 423,900,601