Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2022	Apr. 24, 2021	Apr. 25, 2020
Tax Credit Carryforward [Line Items]
Foreign net operating loss carryforwards	$ 18,615
Gross unrecognized tax benefits	9,898	$ 10,866	$ 11,740
Deferred tax assets, deductibility of gross liabilities	1,786	2,055
Interest and penalties	1,583	$ 2,026
Increase in interest and penalties expense	$ 229
Foreign Tax Credit Carryforward
Tax Credit Carryforward [Line Items]
Expiration period	4 years