Stock-Based Compensation - Restricted Stock and RSUs (Details) - Restricted Stock - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Apr. 27, 2024	Apr. 29, 2023	Apr. 30, 2022
Shares
Granted (in shares)	331,140
Employees
Stock-Based Compensation
Percentage vesting each year from date of grant	25.00%
Period from grant date for first vesting	1 year
Vesting period	4 years
Unrecognized compensation cost	$ 7.9
Period for recognition of unrecognized compensation costs	1 year 7 months 6 days
Shares
Non-vested at beginning of period (in shares)	393,000
Granted (in shares)	331,000
Vested (in shares)	(131,000)
Canceled (in shares)	(32,000)
Non-vested at end of period (in shares)	561,000	393,000
Weighted Average Grant Date Fair Value
Non-vested at beginning of period (in dollars per share)	$ 28.10
Granted (in dollars per share)	27.68	$ 24.58	$ 38.27
Vested (in dollars per share)	29.00
Canceled (in dollars per share)	29.16
Non-vested at end of period (in dollars per share)	$ 27.58	28.10
Non-Employee Directors
Shares
Granted (in shares)	100,000
Weighted Average Grant Date Fair Value
Granted (in dollars per share)	$ 30.80	$ 26.49	$ 35.34