Employee Benefit and Equity Plans (Tables)

9 Months Ended

Sep. 30, 2011

Employee Benefit and Equity Plans [Abstract]

Stock option and SARs activities

				Weighted
				Average
	Shares			Exercise Price
Outstanding at December 31, 2010		6,461,839		$	37.20
Granted		842,620			51.16
Exercised		(2,058,626	)		31.00
Expired/forfeited		(209,051	)		53.58
Outstanding at September 30, 2011		5,036,782		$	41.39

Non-vested restricted stock outstanding

	Equity Awards					Liability Awards
				Weighted					Weighted
				Average Grant					Average Grant
	Shares			Date Fair Value		Shares			Date Fair Value
Outstanding at December 31, 2010		—		$	—		582,751		$	44.81
Granted		329,599			49.47		349,674			51.16
Vested		(63,199	)		49.32		(313,388	)		45.94
Forfeited		(14,612	)		49.57		(26,874	)		45.08
Outstanding at September 30, 2011		251,788		$	49.50		592,163		$	47.95