Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 30, 2021	Jan. 25, 2020	Jan. 30, 2021	Jan. 25, 2020	May 02, 2020	Apr. 27, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 411,613	$ 502,292	$ 1,211,112	$ 1,594,177
Rental income	38,111	48,614	92,568	119,729
Contract with Customer, Asset, Net	0	0	0	0	$ 0
Deferred Revenue	51,122	60,708	51,122	60,708	13,373	$ 20,418
Deferred Revenue, Current	47,166	60,708	47,166	60,708	13,373
Deferred Revenue, Noncurrent	3,956	0	3,956	0	0
Contract with Customer, Liability, Current	175		175
Contract with Customer, Liability, Current	175		175
Contract with Customer, Asset, Net	0	0	0	0	0
Deferred Revenue	51,122	60,708	51,122	60,708	$ 13,373	$ 20,418
Deferred Revenue, Additions			148,777	170,375
Contract with Customer, Liability, Revenue Recognized			(111,028)	(130,085)
Corporate, Non-Segment [Member]
Disaggregation of Revenue [Line Items]
Revenues	(22,727)	(29,127)	(87,018)	(76,775)
Retail Segment [Member]
Disaggregation of Revenue [Line Items]
Revenues	387,669	457,988	1,122,959	1,474,413
Rental income	38,111	48,614	92,568	119,729
Retail Segment [Member] | Retail Product [Member]
Disaggregation of Revenue [Line Items]
Revenues	338,495	400,170	998,158	1,320,587
Retail Segment [Member] | Service and Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	11,063	9,204	32,233	34,097
Wholesale [Member]
Disaggregation of Revenue [Line Items]
Revenues	39,465	66,996	156,146	179,515
DSS [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 7,206	$ 6,435	$ 19,025	$ 17,024