Note 8 - Stockholders' Equity (Tables)

6 Months Ended

Feb. 28, 2019

Notes Tables

Dividends Declared [Table Text Block]

Declaration Date	Amount		Record Date	Payable Date
October 24, 2018	$	0.12	November 7, 2018	November 21, 2018
January 23, 2019	$	0.12	February 6, 2019	February 22, 2019

Declaration Date	Amount		Record Date	Payable Date
November 20, 2017	$	0.10	December 8, 2017	December 21, 2017
January 24, 2018	$	0.10	February 8, 2018	February 21, 2018