CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		May 01, 2021	May 02, 2020	May 01, 2021	May 02, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss) including noncontrolling interests		$ 49,952	$ 90,369	$ 110,841	$ (323,099)
Other comprehensive income (loss):
Recognition of pension and other postretirement benefit obligations, net of tax	[1]	(301)	(574)	(807)	7,368
Recognition of interest rate swap cash flow hedges, net of tax	[2]	14,127	(39,066)	35,838	(46,499)
Foreign currency translation adjustments		2,907	(3,585)	6,164	(3,561)
Recognition of other cash flow derivatives, net of tax	[3]	(296)	0	(341)	0
Total other comprehensive income (loss)		16,437	(43,225)	40,854	(42,692)
Less comprehensive income attributable to noncontrolling interests		(1,394)	(2,238)	(4,366)	(3,407)
Total comprehensive income (loss) attributable to United Natural Foods, Inc.		$ 64,995	$ 44,906	$ 147,329	$ (369,198)

[1] Amounts are net of tax (benefit) expense of $(0.1) million, $(0.2) million, $(0.3) million and $2.4 million, respectively.

[2] Amounts are net of tax expense (benefit) of $4.8 million, $(13.4) million, $12.3 million and $(15.9) million, respectively.

[3] Amounts are net of tax benefit of $(0.1) million, $— million, $(0.1) million and $— million, respectively.