Income Taxes - Summary of Valuation Allowance by Jurisdiction (Details) $ in Thousands	12 Months Ended
	Apr. 24, 2021 USD ($)
Deferred Tax Asset Valuation Allowance [Roll Forward]
Beginning of the period	$ 2,137
Change	1,358
End of the period	3,495
U.S. Federal
Deferred Tax Asset Valuation Allowance [Roll Forward]
Beginning of the period	1,172
Change	219
End of the period	1,391
U.S. State
Deferred Tax Asset Valuation Allowance [Roll Forward]
Beginning of the period	948
Change	1,139
End of the period	2,087
Foreign
Deferred Tax Asset Valuation Allowance [Roll Forward]
Beginning of the period	17
Change	0
End of the period	$ 17