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

6 Months Ended

Feb. 29, 2016

Notes Tables

Schedule of Stock by Class [Table Text Block]

	Six Months ended
(i n thousands)	February 29, 2016			February 28, 2015
Balance at September 1		41,317			41,793
Common stock issued for employee stock plans		420			604
Stock issued for acquisition of a business		—			20
Repurchase of common stock from employees (1)		(14	)		(17	)
Repurchase of common stock under the share repurchase program		(715	)		(770	)
Balance at February 29, 2016 and February 28, 2015, respectively		41,008			41,630

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

(in thousands, except per share data)	Net Income (Numerator)		Weighted Average Common Shares (Denominator)		Per Share Amount
For the three months ended February 29, 2016
Basic EPS
Income available to common stockholders	$	67,763		41,117	$	1.65
Diluted EPS
Dilutive effect of stock options and restricted stock				419
Income available to common stockholders plus assumed conversions	$	67,763		41,536	$	1.63
For the three months ended February 28, 2015
Basic EPS
Income available to common stockholders	$	61,598		41,630	$	1.48
Diluted EPS
Dilutive effect of stock options and restricted stock				676
Income available to common stockholders plus assumed conversions	$	61,598		42,306	$	1.46
For the six months ended February 29, 2016
Basic EPS
Income available to common stockholders	$	127,727		41,252	$	3.10
Diluted EPS
Dilutive effect of stock options and restricted stock				547
Income available to common stockholders plus assumed conversions	$	127,727		41,799	$	3.06
For the six months ended February 28, 2015
Basic EPS
Income available to common stockholders	$	117,458		41,658	$	2.82
Diluted EPS
Dilutive effect of stock options and restricted stock				666
Income available to common stockholders plus assumed conversions	$	117,458		42,324	$	2.78