Segment Reporting Segment Reporting (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 30, 2021 USD ($) Store	Jan. 25, 2020 USD ($)	Jan. 30, 2021 USD ($) Store segment	Jan. 25, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | segment			3
Number of Stores | Store	1,441		1,441
Revenues	$ 411,613	$ 502,292	$ 1,211,112	$ 1,594,177
Gross Profit	70,612	118,535	216,759	377,142
Depreciation and amortization expense	13,307	15,117	40,563	46,542
Operating Income (Loss)	(64,702)	(2,971)	(116,884)	9,648
Interest expense, net	2,311	1,904	5,876	5,882
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	(67,013)	(4,875)	(122,760)	3,766
Other Nonrecurring Expense	27,630	0	27,630	433
us-gaap_OtherNonrecurringExpensenetoftax	20,506
Retail Segment [Member]
Segment Reporting Information [Line Items]
Revenues	387,669	457,988	1,122,959	1,474,413
Gross Profit	53,523	99,790	165,170	322,869
Depreciation and amortization expense	9,806	11,699	30,361	35,372
Operating Income (Loss)	$ (59,996)	(3,747)	$ (107,740)	11,478
Wholesale [Member]
Segment Reporting Information [Line Items]
Number of Wholesale Customers | Store			3,300
Number of System Customers | Store	400		400
Revenues	$ 39,465	66,996	$ 156,146	179,515
Gross Profit	10,658	14,235	38,129	41,688
Depreciation and amortization expense	1,614	1,483	4,231	4,531
Operating Income (Loss)	4,708	8,440	21,625	23,493
DSS [Member]
Segment Reporting Information [Line Items]
Revenues	7,206	6,435	19,025	17,024
Gross Profit	5,882	5,283	15,290	13,838
Depreciation and amortization expense	1,863	1,904	5,883	6,543
Operating Income (Loss)	(2,567)	(1,608)	(6,218)	(6,420)
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	(22,727)	(29,127)	(87,018)	(76,775)
Gross Profit	549	(773)	(1,830)	(1,253)
Operating Income (Loss)	604	(644)	(1,704)	(1,071)
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Revenues	(22,727)	(29,127)	(87,018)	(76,775)
Depreciation and amortization expense	24	31	88	96
Operating Income (Loss)	$ (7,451)	$ (5,412)	$ (22,847)	$ (17,832)
Physical Stores [Member]
Segment Reporting Information [Line Items]
Number of Stores | Store	765		765
Virtual Stores [Member]
Segment Reporting Information [Line Items]
Number of Stores | Store	676		676