Note 11. Common Stock and Earnings Per Share (Tables)

3 Months Ended

Nov. 30, 2012

Schedule of Stock by Class [Table Text Block]

	Three Months Ended November 30,
	2012			2011
Balance at September 1		44,279			45,055
Common stock issued for employee stock plans		333			209
Repurchase of common stock		(270	)		(150	)
Balance at November 30		44,342			45,114

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

	Net Income (Numerator)		Weighted Average Common Shares (Denominator)		Per Share Amount
For the three months ended November 30, 2012
Basic EPS
Income available to common stockholders	$	49,769		44,316	$	1.12
Diluted EPS
Dilutive effect of stock options and restricted stock				668
Income available to common stockholders plus assumed conversions	$	49,769		44,984	$	1.11
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