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

6 Months Ended

Feb. 28, 2018

Notes Tables

Schedule of Stock by Class [Table Text Block]

	Six Months ended February 28,
(i n thousands)	2018			2017
Balance at September 1		39,023			40,038
Common stock issued for employee stock plans		495			506
Repurchase of common stock from employees (1)		(6	)		(37	)
Repurchase of common stock under the share repurchase program		(585	)		(985	)
Repurchase of common stock under accelerated share repurchase agreement		—			(103	)
Balance at February 28, 2018 and 2017, respectively		38,927			39,419

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 28, 2018
Basic EPS
Income available to common stockholders	$	53,137		38,991	$	1.36
Diluted EPS
Dilutive effect of stock options and restricted stock				855
Income available to common stockholders plus assumed conversions	$	53,137		39,846	$	1.33
For the three months ended February 28, 2017
Basic EPS
Income available to common stockholders	$	66,710		39,489	$	1.69
Diluted EPS
Dilutive effect of stock options and restricted stock				211
Income available to common stockholders plus assumed conversions	$	66,710		39,700	$	1.68
For the six months ended February 28, 2018
Basic EPS
Income available to common stockholders	$	123,516		39,038	$	3.16
Diluted EPS
Dilutive effect of stock options and restricted stock				725
Income available to common stockholders plus assumed conversions	$	123,516		39,763	$	3.11
For the six months ended February 28, 2017
Basic EPS
Income available to common stockholders	$	133,293		39,659	$	3.36
Diluted EPS
Dilutive effect of stock options and restricted stock				241
Income available to common stockholders plus assumed conversions	$	133,293		39,900	$	3.34