CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Apr. 27, 2019	Apr. 28, 2018	Apr. 27, 2019		Apr. 28, 2018
Income Statement [Abstract]
Net sales		$ 5,962,620	$ 2,648,879	$ 14,979,982		$ 7,634,435
Cost of sales		5,174,070	2,240,792	13,017,318		6,487,610
Gross profit		788,550	408,087	1,962,664		1,146,825
Operating expenses		737,681	325,779	1,852,768		957,964
Goodwill and asset impairment (adjustment) charges		(38,250)		332,621		11,242
Restructuring, acquisition, and integration related expenses		19,438	151	134,567		151
Operating income (loss)		69,681	82,157	(357,292)		177,468
Other expense (income):
Net periodic benefit income, excluding service cost		(10,941)	0	(22,691)		0
Interest expense		54,917	4,347	121,149		12,060
Other, net		958	(24)	231		(1,305)
Total other expense, net		44,934	4,323	98,689		10,755
Income (loss) from continuing operations before income taxes		24,747	77,834	(455,981)		166,713
(Benefit) provision for income taxes		(8,027)	25,943	(104,091)		33,831
Net income (loss) from continuing operations		32,774	51,891	(351,890)		132,882
Income from discontinued operations, net of tax		24,370	0	47,847	[1]	0
Net income (loss) including noncontrolling interests		57,144	51,891	(304,043)		132,882
Less net (income) loss attributable to noncontrolling interests		(52)	0	116		0
Net income (loss) attributable to United Natural Foods, Inc.		$ 57,092	$ 51,891	$ (303,927)		$ 132,882
Basic per share data:
Continuing operations		$ 0.64	$ 1.03	$ (6.93)		$ 2.63
Discontinued operations		0.48	0.00	0.95		0.00
Basic income (loss) per share		1.12	1.03	(5.99)		2.63
Diluted earnings per share:
Continuing operations		0.64	1.02	(6.93)		2.61
Discontinued operations	[2]	0.48	0.00	0.94		0.00
Diluted income (loss) per share		$ 1.12	$ 1.02	$ (5.99)		$ 2.61
Weighted average share outstanding:
Basic (shares)		50,846	50,424	50,748		50,563
Diluted (shares)		50,964	50,751	50,748		50,816

[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, of approximately 275 thousand shares for the 39-week period ended April 27, 2019.