Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010
SHAREHOLDERS' EQUITY
Common Stock, par value	$ 2.50	$ 2.50	$ 2.50
Common Stock, shares Authorized	500,000,000	500,000,000	500,000,000
Common Stock, shares Issued	83,488,962	83,481,737	83,481,738