Background and Basis of Presentation - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
		Jul. 29, 2022	Jul. 31, 2020	Jan. 27, 2023
Unusual Risk Or Uncertainty [Line Items]
Corporate restructuring, percentage of reduced corporate positions			10.00%
Severance costs	[1]			$ 1,795
Other Operating Expense (Income)
Unusual Risk Or Uncertainty [Line Items]
One-time closing costs		$ 3,000
Severance costs			$ 2,900

[1] Employee severance and benefit costs are approximately $1.0 million lower than actual payments due to the reversal of a previously recorded compensation-related accrual.