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

3 Months Ended

Nov. 30, 2017

Notes Tables

Schedule of Stock by Class [Table Text Block]

	Three Months ended November 30,
(i n thousands)	2017			2016
Balance at September 1		39,023			40,038
Common stock issued for employee stock plans		256			310
Repurchase of common stock from employees (1)		(4	)		(36	)
Repurchase of common stock under the share repurchase program		(165	)		(505	)
Repurchase of common stock under accelerated share repurchase agreement		—			(103	) (2)
Balance at November 30, 201 7 and 2016, respectively		39,110			39,704

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 November 30, 2017
Basic EPS
Income available to common stockholders	$	70,379		39,085	$	1.80
Diluted EPS
Dilutive effect of stock options and restricted stock				595
Income available to common stockholders plus assumed conversions	$	70,379		39,680	$	1.77
For the three months ended November 30, 2016
Basic EPS
Income available to common stockholders	$	66,583		39,827	$	1.67
Diluted EPS
Dilutive effect of stock options and restricted stock				273
Income available to common stockholders plus assumed conversions	$	66,583		40,100	$	1.66