CONSOLIDATED STATEMENT OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Aug. 02, 2025	Aug. 03, 2024	Jul. 29, 2023
Income Statement [Abstract]
Revenue, net	$ 1,267,171	$ 1,337,468	$ 1,592,521
Cost of goods sold	704,232	745,430	916,908
Gross profit	562,939	592,038	675,613
Selling, general, and administrative expenses	601,844	725,465	830,894
Operating loss	(38,905)	(133,427)	(155,281)
Interest income	10,709	11,250	5,841
Other income (expense), net	173	1,631	(25)
Loss before income taxes	(28,023)	(120,546)	(149,465)
Provision (benefit) for income taxes	821	(1,661)	871
Net loss from continuing operations	(28,844)	(118,885)	(150,336)
Net income (loss) from discontinued operations, net of income taxes	105	(9,955)	(21,637)
Net loss	(28,739)	(128,840)	(171,973)
Other comprehensive income (loss):
Change in unrealized gains and losses on available-for-sale securities, net of tax	(99)	267	1,738
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	0	(1,129)	2,316
Foreign currency translation	0	1,145
Total other comprehensive income (loss), net of tax	(99)	(862)	4,054
Comprehensive loss	$ (28,838)	$ (129,702)	$ (167,919)
Loss per share from continuing operations attributable to common stockholders:
Basic (in dollars per share)	$ (0.22)	$ (0.99)	$ (1.31)
Diluted (in dollars per share)	(0.22)	(0.99)	(1.31)
Earnings (loss) per share from discontinued operations attributable to common stockholders:
Basic (in dollars per share)	0.00	(0.08)	(0.19)
Diluted (in dollars per share)	0.00	(0.08)	(0.19)
Loss per share attributable to common stockholders:
Basic (in dollars per share)	(0.22)	(1.07)	(1.50)
Diluted (in dollars per share)	$ (0.22)	$ (1.07)	$ (1.50)
Weighted-average shares used to compute earnings (loss) per share attributable to common stockholders:
Basic (in shares)	128,784,547	120,214,198	114,684,980
Diluted (in shares)	128,784,547	120,214,198	114,684,980