Condensed Consolidated Balance Sheets (Unaudited, except for December 31) (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010		Mar. 31, 2010
Equity
Common stock, par value	$ 1	$ 1	$ 1	[1]	$ 1

[1] As Restated, See Note 1