Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 29, 2023	Apr. 30, 2022	Apr. 24, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at the beginning of the period	$ 1,037	$ 1,069	$ 1,030
Additions:
Positions taken during the current year	109	121	176
Positions taken during the prior year	83	10	35
Reductions:
Positions taken during the prior year	0	(23)	(19)
Decreases related to settlements with taxing authorities	0	0	0
Reductions resulting from the lapse of the statute of limitations	(145)	(140)	(153)
Balance at the end of the period	$ 1,084	$ 1,037	$ 1,069