Stock-Based Compensation (Tables)

9 Months Ended

May 31, 2012

Summary of Stock Option, Stock Appreciation Right and Restricted Stock Awards Activity

The following table summarizes stock option, stock appreciation right and restricted stock award activity from August 31, 2011 through May 31, 2012:

	Shares Available for Grant			Options Outstanding			Aggregate Intrinsic  Value (in thousands)		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life (years)
Balance at August 31, 2011		9,164,425			10,473,033		$	4,029	$	24.76		3.70
Options cancelled		477,867			(477,867	)			$	26.52
Options expired		(53,274	)						$	15.23
Restricted stock awards granted(1)		(4,837,763	)
Options exercised					(1,169,662	)			$	16.79
Balance at May 31, 2012		4,751,255			8,825,504		$	2,381	$	25.79		3.14
Exercisable at May 31, 2012					8,806,343		$	2,260	$	25.81		3.13

⁽¹⁾ Represents the maximum number of shares that can be issued based on the achievement of certain performance criteria.

Summary of Restricted Stock Activity

The following table summarizes restricted stock activity from August 31, 2011 through May 31, 2012:

	Shares			Weighted  - Average Grant-Date Fair  Value
Non-vested balance at August 31, 2011		14,097,278		$	12.91
Changes during the period
Shares granted (1)		5,219,122		$	19.42
Shares vested		(5,593,169	)	$	10.00
Shares forfeited		(381,359	)	$	15.56
Non-vested balance at May 31, 2012		13,341,872		$	16.60

⁽¹⁾  For those shares granted that are based on the achievement of certain performance criteria, represents the maximum number of shares that can vest.