INCOME TAXES - Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 27, 2019	Apr. 28, 2018	Apr. 27, 2019		Apr. 28, 2018
Income Tax Disclosure [Abstract]
Continuing operations	$ (8,027)	$ 25,943	$ (104,091)		$ 33,831
Discontinued operations	7,772	0	13,759	[1]	0
Total	$ (255)	$ 25,943	$ (90,332)		$ 33,831

[1] These results reflect retail operations from the Supervalu acquisition date of October 22, 2018 to April 27, 2019.