Note 10. Common Stock and Earnings Per Share (Tables)

3 Months Ended

Nov. 30, 2011

Schedule of Stock by Class [Table Text Block]

	Three Months Ended November 30,
	2011			2010
Balance at September 1		45,055			46,024
Common stock issued for employee stock plans		209			626
Repurchase of common stock		(150	)		(303	)
Balance at November 30		45,114			46,347

Schedule of Weighted Average Number of Shares [Table Text Block]

			Weighted Average
	Net Income		Common Shares		Per Share
	(Numerator)		(Denominator)		Amount
For the three months ended November 30, 2011
Basic EPS
Income available to common stockholders	$	45,544		45,107	$	1.01
Diluted EPS
Dilutive effect of stock options and restricted stock				996
Income available to common stockholders plus assumed conversions	$	45,544		46,103	$	0.99
For the three months ended November 30, 2010
Basic EPS
Income available to common stockholders	$	41,601		46,283	$	0.90
Diluted EPS
Dilutive effect of stock options and restricted stock				1,204
Income available to common stockholders plus assumed conversions	$	41,601		47,487	$	0.88