Leases - Lease Expense and Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 27, 2024	Jan. 28, 2023	Jan. 27, 2024	Jan. 28, 2023
Leases [Abstract]
Operating lease expenses	$ 983	$ 935	$ 2,814	$ 2,715
Cash paid for amounts included in the measurement of operating lease liabilities	847	767	2,541	2,312
Right-of-use assets obtained in exchange for lease obligation	$ 739	$ 0	$ 739	$ 649