Acquisitions - Corporate and Other (Details) $ in Thousands		12 Months Ended
	Jul. 30, 2018 USD ($) person item	Apr. 27, 2019 USD ($)	Apr. 28, 2018 USD ($)	Apr. 29, 2017 USD ($)
Amounts recognized for identifiable assets acquired and liabilities assumed:
Goodwill		$ 185,867	$ 75,254	$ 74,245
Joybird
Acquisitions
Total guaranteed payments	$ 75,000
Receivable for working capital adjustment	2,500
Prepaid compensation included in guaranteed payments	$ 7,500
Period for payment of liabilities assumed as consideration	2 years
Remaining guaranteed payments	$ 25,000
Annual installments of remaining guaranteed payments	$ 5,000
Period for annual installments of remaining guaranteed payments	5 years
Number of future earnout opportunities | item	2
Number of co-founders covered by forfeitable initial payment | person	4
Period for amortization of prepaid compensation	2 years
Finite-lived intangible asset, useful life	8 years	8 years
Contingent consideration, low end of range	$ 0
Contingent consideration, high end of range	65,000
Fair value of consideration:
Cash (paid at closing)	37,482
Guaranteed payment	22,489
Acquisition earn-out	7,500
Assumption of liability	5,000
Working capital adjustment	(2,486)
Total fair value of consideration	69,985
Amounts recognized for identifiable assets acquired and liabilities assumed:
Inventory	5,258
Other current assets	3,733
Property, plant and equipment	2,057
Finite-lived tradename	6,400
Other long-term assets	2,878
Accounts payable	(8,222)
Customer deposits	(13,904)
Other current liabilities	(7,681)
Other long-term liabilities	(150)
Total identifiable net assets acquired	(9,631)
Goodwill	$ 79,616