STOCK-BASED COMPENSATION - Additional Information (Details) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	Jul. 31, 2025 tranche	Aug. 02, 2025 USD ($) vote shares	Aug. 03, 2024 USD ($) $ / shares shares	Jul. 29, 2023 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted during period (in shares)		0
Weighted-average grant date fair value of options granted (in dollars per share) | $ / shares			$ 2.09	$ 2.72
Grant date fair value of options vested | $		$ 7.3	$ 7.1	$ 11.8
Aggregate intrinsic value | $		0.4	0.1	0.4
Unrecognized compensation expense related to unvested options and RSUs, net of forfeitures | $		$ 33.2
Unrecognized compensation expense related to unvested options weighted average recognition period		1 year 2 months 19 days
Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense | $		$ 56.7	$ 76.8	$ 102.1
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		1 year
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		3 years
2017 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)		2,630,245
2017 Incentive Plan | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance (in shares)		50,276,797
2019 Inducement Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)		1,967,541
2019 Inducement Plan | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance (in shares)		10,750,000
Stock Options | 2011 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock options vesting percentage		25.00%
Award vesting period		3 years
Options exercisable period		10 years
Stock Options | 2017 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercisable period		10 years
Number of shares authorized for issuance (in shares)		6,237,914
Number of shares available for grant (in shares)		2,630,245	5,239,593
Stock Options | 2017 Incentive Plan | Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		6 months
Stock Options | 2017 Incentive Plan | Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		30 months
Performance-Based Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock options vesting percentage	25.00%
Award vesting period	4 years
Number of votes per share | vote		1
Number of tranches | tranche	4
Consecutive trading days	30 days
Performance-Based Stock Awards | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock options vesting percentage		0.00%
Performance-Based Stock Awards | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock options vesting percentage		150.00%