Stock-Based Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2011

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Restricted Stock and Restricted Stock Units

Restricted common stock (restricted stock) and restricted stock unit (stock unit) activity for the nine months endedSeptember 30, 2011, was as follows:

	Nine Months Ended
	September 30, 2011
Restricted stock and stock units outstanding as of January 1, 2011	1,878,022
Granted	907,898
Converted AE restricted stock	645,197
Exercised	(435,358	)
Forfeited	(213,039	)
Restricted stock and stock units outstanding as of September 30, 2011	2,782,720

Summary of stock option activities

Stock Option Activities	Number of Shares		Weighted Average Exercise Price
Stock options outstanding as of January 1, 2011 (all exercisable)	2,889,066		$	35.18
Options granted	662,122		37.75
Converted AE options	1,805,811		41.75
Options exercised	(847,261	)	31.20
Options forfeited/expired	(110,085	)	71.65
Stock options outstanding as of September 30, 2011	4,399,653		$	38.12
(3,737,531 options exercisable)

Summary of options outstanding by plan and range of exercise price

Options outstanding by exercise price as of September 30, 2011, were as follows:

Exercise Prices	Shares Under Options	Weighted Average Exercise Price		Remaining Contractual Life in Years
$20.02 – $30.74	987,607	$	26.83	1.77
$30.89 – $40.93	3,061,503	37.36		3.96
$42.72 – $51.82	3,883	51.02		0.45
$53.06 – $62.97	41,219	53.94		2.90
$64.52 – $71.82	8,671	67.53		4.05
$73.39 – $80.47	294,102	80.22		3.71
$81.19 – $89.59	2,668	85.39		2.81
Total	4,399,653	$	38.12	3.44