Stock-Based Compensation (Tables)

3 Months Ended

Nov. 30, 2012

Summary of Stock Option and Stock Appreciation Right Activity

The following table summarizes stock option and stock appreciation right activity from August 31, 2012 through November 30, 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, 2012		4,883,919			8,677,941		$	4,719	$	25.88		2.90
Options canceled		67,629			(67,629	)			$	23.13
Restricted stock awards granted(1)		(3,362,268	)
Options exercised					(244,311	)			$	13.14
Balance at November 30, 2012		1,589,280			8,366,001		$	419	$	26.27		2.73
Exercisable at November 30, 2012					8,357,459		$	387	$	26.28		2.72

⁽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, 2012 through November 30, 2012:

	Shares			Weighted - Average Grant- Date Fair Value
Non-vested balance at August 31, 2012		12,945,864		$	16.33
Changes during the period
Shares granted (1)		3,503,754		$	17.60
Shares vested		(4,375,806	)	$	15.05
Shares forfeited		(141,486	)	$	17.75
Non-vested balance at November 30, 2012		11,932,326		$	17.15

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