Note 13. Employee Stock Option and Retirement Plans (Tables)

3 Months Ended

Nov. 30, 2011

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Number Outstanding			Weighted Average Exercise Price Per Share
Balance at August 31, 2011		6,132		$	57.28
Granted – non performance-based		420			94.84
Granted – performance-based		666			94.84
Exercised		(188	)		29.40
Forfeited		(25	)		71.49
Balance at November 30, 2011		7,005		$	63.79

ScheduleOfShareBasedCompensationVestingPercentageAndRelatedExpensesTableTextBlock

Vesting Percentage	Total Unamortized Stock-based Compensation Expense at November 30, 2011		Cumulative catch-up Adjustment*			Average Remaining Quarterly Expense to be Recognized
0%	$	0	$	(988	)	$	0
20%	$	2,040	$	0		$	130
60%	$	6,120	$	1,976		$	390
100%	$	10,200	$	3,952		$	650

Vesting Percentage	Total Unamortized Stock-based Compensation Expense at November 30, 2011		Cumulative catch-up Adjustment*			Average Remaining Quarterly Expense to be Recognized
0%	$	0	$	(91	)	$	0
20%	$	3,549	$	0		$	180
60%	$	10,647	$	182		$	540
100%	$	17,745	$	364		$	900

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	Number Outstanding			Weighted Average Grant Date Fair Value Per Award
Balance at August 31, 2011		407		$	71.31
Granted (restricted stock and stock units)		-		$	-
Vested		-		$	-
Canceled/forfeited		(2	)	$	70.66
Balance at November 30, 2011		405		$	71.31

ScheduleOfShareBasedAwardsAvailableForGrantTableTextBlock

	Share-based Awards Available for Grant under the Employee Option Plan			Share-based Awards Available for Grant under the Non-Employee Directors Plan
Balance at August 31, 2011		4,977			147
Granted – non performance-based options		(666	)		-
Granted – performance-based options		(420	)		-
Restricted stock awards granted*		-			-
Share-based awards canceled/forfeited		31			-
Share-based awards expired		-			-
Balance at November 30, 2011		3,922			147