CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended			9 Months Ended
	May 02, 2020		Apr. 27, 2019	May 02, 2020		Apr. 27, 2019
Income Statement [Abstract]
Net sales	$ 6,667,681		$ 5,962,620	$ 18,824,870		$ 14,979,982
Cost of sales	5,811,151		5,174,070	16,421,838		13,017,318
Gross profit	856,530		788,550	2,403,032		1,962,664
Operating expenses	774,376		737,681	2,300,635		1,852,768
Goodwill and asset impairment (adjustment) charges	0		(38,250)	425,405		332,621
Restructuring, acquisition and integration related expenses	10,449		19,438	54,385		134,567
Operating income (loss)	71,705		69,681	(377,393)		(357,292)
Other expense (income):
Net periodic benefit income, excluding service cost	(12,758)		(10,941)	(27,419)		(22,691)
Interest expense, net	47,108		54,917	145,247		121,149
Other, net	(973)		958	(1,539)		231
Total other expense, net	33,377		44,934	116,289		98,689
Income (loss) from continuing operations before income taxes	38,328		24,747	(493,682)		(455,981)
Benefit for income taxes	(14,849)		(8,027)	(106,330)		(104,091)
Net income (loss) from continuing operations	53,177		32,774	(387,352)		(351,890)
Income from discontinued operations, net of tax	37,192		24,370	64,253		47,847	[1]
Net income (loss) including noncontrolling interests	90,369		57,144	(323,099)		(304,043)
Less net (income) loss attributable to noncontrolling interests	(2,238)		(52)	(3,407)		116
Net income (loss) attributable to United Natural Foods, Inc.	$ 88,131		$ 57,092	$ (326,506)		$ (303,927)
Basic earnings (loss) per share:
Continuing operations	$ 0.99		$ 0.64	$ (7.24)		$ (6.93)
Discontinued operations	0.65		0.48	1.14		0.95
Basic earnings (loss) per share	1.64		1.12	(6.10)		(5.99)
Diluted earnings (loss) per share:
Continuing operations	0.96		0.64	(7.24)		(6.93)
Discontinued operations	0.63	[2]	0.48	1.12	[2]	0.94
Diluted earnings (loss) per share	$ 1.60		$ 1.12	$ (6.10)		$ (5.99)
Weighted average shares outstanding:
Basic	53,718		50,846	53,485		50,748
Diluted	55,217		50,964	53,485		50,748

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

[2] The computation of diluted earnings per share from discontinued operations is calculated using diluted weighted average shares outstanding, which includes the net effect of dilutive stock awards and 821 thousand and 275 thousand shares for fiscal 2020 and 2019 year-to-date, respectively.