Leases - Supplemental lease information (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 30, 2022	Jul. 31, 2021
Leases
Cash paid for amounts included in the measurement of operating lease liabilities	$ 1,575	$ 1,763
Right-of-use assets obtained in exchange for new lease liabilities	$ 1,173	$ 6,310
Weighted average remaining lease term	60 months	70 months
Weighted average discount rate	3.40%	3.40%