Note 13 - Common Stock and Earnings Per Share (Tables)

12 Months Ended

Aug. 31, 2019

Notes Tables

Schedule of Stock by Class [Table Text Block]

	Years ended August 31,
(in thousands)	2019			2018			2017
Balance, beginning of year (September 1)		38,193			39,023			40,038
Common stock issued for employee stock plans		839			712			693
Repurchase of common stock from employees(1)		(32	)		(8	)		(50	)
Repurchase of common stock under the share repurchase program		(882	)		(1,534	)		(1,555	)
Repurchase of common stock under accelerated share repurchase agreement		—			—			(103	)
Balance, end of year (August 31)		38,118			38,193			39,023

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 year ended August 31, 2019
Basic EPS
Income available to common stockholders	$	352,790		38,144	$	9.25
Diluted EPS
Dilutive effect of stock options and restricted stock				729
Income available to common stockholders plus assumed conversions	$	352,790		38,873	$	9.08
For the year ended August 31, 2018
Basic EPS
Income available to common stockholders	$	267,085		38,733	$	6.90
Diluted EPS
Dilutive effect of stock options and restricted stock				644
Income available to common stockholders plus assumed conversions	$	267,085		39,377	$	6.78
For the year ended August 31, 2017
Basic EPS
Income available to common stockholders	$	258,259		39,444	$	6.55
Diluted EPS
Dilutive effect of stock options and restricted stock				198
Income available to common stockholders plus assumed conversions	$	258,259		39,642	$	6.51