Stock-based Compensation - Summary of Weighted-Average Assumptions (Details) - $ / shares	12 Months Ended
	Apr. 29, 2023	Apr. 30, 2022	Apr. 24, 2021
Director And Employee Stock Option Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	3.50%	3.40%	4.40%
Expected stock price volatility	38.80%	38.10%	34.60%
Risk-free interest rate	3.20%	1.10%	0.40%
Expected life (years)	6 years	6 years	6 years
Weighted average grant date fair value per share (in usd per share)	$ 8.82	$ 7.97	$ 4.60
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	3.70%	3.60%	3.60%
Expected stock price volatility	31.50%	28.60%	51.70%
Risk-free interest rate	4.70%	0.30%	0.10%
Expected life (years)	7 months 6 days	7 months 6 days	7 months 6 days
Weighted average grant date fair value per share (in usd per share)	$ 6.89	$ 6.79	$ 8.77