CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares									3 Months Ended		9 Months Ended
	Jul. 31, 2020	May 01, 2020	Feb. 21, 2020	Oct. 31, 2019	Aug. 02, 2019	May 03, 2019	Feb. 26, 2019	Nov. 02, 2018	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
Cash dividend declared (in dollars per share)	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.18	$ 0.18