DISCONTINUED OPERATIONS - Operating Results (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 02, 2020	Apr. 27, 2019	May 02, 2020	Apr. 27, 2019	[1]
Discontinued Operations and Disposal Groups [Abstract]
Net sales	$ 667,003	$ 640,121	$ 1,891,529	$ 1,413,756
Cost of sales	479,175	463,157	1,371,253	1,031,330
Gross profit	187,828	176,964	520,276	382,426
Operating expenses	128,232	144,547	394,080	310,751
Restructuring expenses and charges	8,091	644	40,304	11,026
Operating income	51,505	31,773	85,892	60,649
Other income, net		(369)		(957)
Other expense, net	2,242		1,192
Income from discontinued operations before income taxes	49,263	32,142	84,700	61,606
Income tax provision	12,071	7,772	20,447	13,759
Income from discontinued operations, net of tax	$ 37,192	$ 24,370	$ 64,253	$ 47,847

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