STOCKHOLDERS' EQUITY - Dividends Declared (Details) - $ / shares	3 Months Ended			9 Months Ended
	May 31, 2020	Feb. 23, 2020	Feb. 24, 2019	Feb. 23, 2020	Feb. 24, 2019
Dividends
Dividends declared per common share (in dollars per share)	$ 0.23	$ 0.2300	$ 0.2000	$ 0.6300	$ 0.5825
Dividends declared per common share, declared date	Mar. 19, 2020
Dividends declared per common share, payable date	Jun. 05, 2020
Dividends declared per common share, record date	May 08, 2020