CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Statement of Financial Position [Abstract]
Common Stock Par Value	$ 1	$ 1
Common Stock Shares Authorized	100,000,000	100,000,000
Common Stock Shares Issued	48,878,448	48,557,638
Common Stock Shares Outstanding	46,484,723	46,133,766
Treasury Stock, Shares	2,393,725	2,423,872