Note 13 - Stockholders' Equity (Tables)

9 Months Ended

May 31, 2016

Notes Tables

Dividends Declared [Table Text Block]

Declaration Date	Dividends Per Share of Common Stock		Type	Record Date	Total $ Amount (in thousands)		Payment Date
May 6, 2016	$	0.50	Regular (cash)	May 31, 2016	$	20,171	June 21, 2016
February 5, 2016	$	0.44	Regular (cash)	February 29, 2016	$	18,044	March 15, 2016
November 6, 2015	$	0.44	Regular (cash)	November 30, 2015	$	18,208	December 15, 2015
August 10, 2015	$	0.44	Regular (cash)	August 31, 2015	$	18,179	September 15, 2015
May 12, 2015	$	0.44	Regular (cash)	May 29, 2015	$	18,274	June 16, 2015
February 11, 2015	$	0.39	Regular (cash)	February 27, 2015	$	16,236	March 17, 2015
November 12, 2014	$	0.39	Regular (cash)	November 28, 2014	$	16,216	December 16, 2014
August 14, 2014	$	0.39	Regular (cash)	August 29, 2014	$	16,299	September 16, 2014