Stock-based Compensation - Summary of Weighted-Average Assumptions (Details) - $ / shares	12 Months Ended
	Apr. 27, 2024	Apr. 29, 2023	Apr. 30, 2022
Director And Employee Stock Option Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	3.10%	3.50%	3.40%
Expected stock price volatility	39.30%	38.80%	38.10%
Risk-free interest rate	4.10%	3.20%	1.10%
Expected life (years)	6 years	6 years	6 years
Weighted average grant date fair value per share (in usd per share)	$ 10.69	$ 8.82	$ 7.97
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	3.60%	3.70%	3.60%
Expected stock price volatility	38.20%	31.50%	28.60%
Risk-free interest rate	5.10%	4.70%	0.30%
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)	$ 7.55	$ 6.89	$ 6.79