Debt - Narrative (Details)				3 Months Ended		6 Months Ended
	Jan. 25, 2019 USD ($)	Jan. 04, 2019 USD ($)	Jan. 03, 2019	Apr. 28, 2019 USD ($)	Apr. 29, 2018 USD ($)	Apr. 28, 2019 USD ($)	Apr. 29, 2018 USD ($)	Jun. 04, 2019 USD ($) period	Jun. 11, 2018 USD ($)	Jan. 28, 2018 USD ($)	Jan. 25, 2018 USD ($)
Extinguishment of Debt [Line Items]
Approximate weekly employee compensation, payroll taxes and payments to vendors						$ 20,000,000
DZ Financing Program
Extinguishment of Debt [Line Items]
Accounts receivable securitization program, maximum investment limit											$ 115,000,000
DZ Financing Program | Letter of Credit
Extinguishment of Debt [Line Items]
Additional borrowing capacity of facility									$ 10,000,000
DZ Financing Program, Amendment One
Extinguishment of Debt [Line Items]
Covenant, minimum tangible net worth, through fiscal 2019		$ 30,000,000.0
Covenant, minimum tangible net worth, fiscal 2020		$ 40,000,000.0
Maximum permitted delinquent receivables, payment terms (excess of)		60 days
Maximum permitted delinquent receivables, percent		10.00%	2.50%
Borrowing availability				$ 22,200,000		22,200,000
Long-term debt				$ 55,000,000	$ 50,000,000	$ 55,000,000	$ 50,000,000
Interest rate during period				4.30%	3.40%	4.20%	3.40%
DZ Financing Program, Amendment One | Letter of Credit
Extinguishment of Debt [Line Items]
Current borrowing capacity	$ 35,000,000
Fair value of amount outstanding				$ 24,200,000		$ 24,200,000
Collateral										$ 30,000,000
DZ Financing Program, Amendment One | Letter of Credit | Short Term Financing Program
Extinguishment of Debt [Line Items]
Fair value of amount outstanding				22,800,000		22,800,000
DZ Financing Program, Amendment One | Letter of Credit, Security Deposit
Extinguishment of Debt [Line Items]
Fair value of amount outstanding				1,200,000		1,200,000
DZ Financing Program, Amendment One | Letter Of Credit, Credit Card Program
Extinguishment of Debt [Line Items]
Fair value of amount outstanding				$ 200,000		$ 200,000
DZ Financing Program, Amendment One | Federal Funds Rate | Letter of Credit
Extinguishment of Debt [Line Items]
Basis spread on variable rate	3.00%
DZ Financing Program, Amendment One | Prime Rate | Letter of Credit
Extinguishment of Debt [Line Items]
Basis spread on variable rate	2.50%
DZ Financing Program, Amendment Four
Extinguishment of Debt [Line Items]
Delinquency rate, period						90 days
DZ Financing Program, Amendment Four | Subsequent Event | DZ Bank
Extinguishment of Debt [Line Items]
Temporary exclusion of specific customer from program, number of reporting periods | period								3
Minimum | Line of Credit
Extinguishment of Debt [Line Items]
Target liquidity ratio						1.5
Minimum | DZ Financing Program, Amendment Four | Subsequent Event | DZ Bank
Extinguishment of Debt [Line Items]
Temporary reduction to borrowing availability								$ 2,000,000
Maximum | DZ Financing Program, Amendment Four | Subsequent Event | DZ Bank
Extinguishment of Debt [Line Items]
Temporary reduction to borrowing availability								$ 3,000,000