CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Total United Natural Foods, Inc. Stockholders’ Equity	Noncontrolling Interests
Beginning balance at Jul. 30, 2016	$ 1,519,504	$ 504	$ 0	$ 436,167	$ (22,379)	$ 1,105,212	$ 1,519,504	$ 0
Beginning balance (in shares) at Jul. 30, 2016		50,383,000	0
Increase (Decrease) in Stockholders' Equity
Restricted stock vestings and stock option exercises, net	(1,039)	$ 2		(1,041)			(1,039)
Restricted stock vestings and stock option exercises, net (in shares)		239,000
Share-based compensation	26,205			26,205			26,205
Tax deficit associated with stock plans	(1,320)			(1,320)			(1,320)
Other comprehensive income/loss	8,416				8,416		8,416
Net (loss) income	130,155					130,155	130,155
Ending balance at Jul. 29, 2017	1,681,921	$ 506	$ 0	460,011	(13,963)	1,235,367	1,681,921	0
Ending balance (in shares) at Jul. 29, 2017		50,622,000	0
Increase (Decrease) in Stockholders' Equity
Restricted stock vestings and stock option exercises, net	(3,588)	$ 4		(3,592)			(3,588)
Restricted stock vestings and stock option exercises, net (in shares)		403,000
Share-based compensation	25,890			25,890			25,890
Repurchase of common stock	$ (24,231)		$ (24,231)				(24,231)
Repurchase of common stock (in shares)	614,660		615,000
Tax deficit associated with stock plans	$ 0
Other comprehensive income/loss	(216)				(216)		(216)
Net (loss) income	165,670					165,670	165,670
Ending balance at Jul. 28, 2018	$ 1,845,955	$ 510	$ (24,231)	483,623	(14,179)	1,400,232	1,845,955	0
Ending balance (in shares) at Jul. 28, 2018	50,411,000	51,025,000	615,000
Increase (Decrease) in Stockholders' Equity
Restricted stock vestings and stock option exercises, net	$ (2,608)	$ 5		(2,613)			(2,608)
Restricted stock vestings and stock option exercises, net (in shares)		471,000
Share-based compensation	$ 25,954			25,954			25,954
Repurchase of common stock (in shares)	0
Tax deficit associated with stock plans	$ 0
Other comprehensive income/loss	(94,774)				(94,774)		(94,774)
Acquisition of noncontrolling interests	(1,633)							(1,633)
Distributions to noncontrolling interests	(1,211)							(1,211)
Proceeds from the issuance of common stock, net	$ 23,857	$ 20		23,837			23,857
Proceeds from the issuance of common stock, net (in shares)	2,004,730	2,005,000
Net (loss) income	$ (284,883)					(284,990)	(284,990)	107
Ending balance at Aug. 03, 2019	$ 1,510,934	$ 535	$ (24,231)	$ 530,801	$ (108,953)	$ 1,115,519	$ 1,513,671	$ (2,737)
Ending balance (in shares) at Aug. 03, 2019	52,886,000	53,501,000	615,000