General - Computation of Basic and Diluted Earnings Per Share (EPS) (Detail) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Jan. 25, 2025	Jan. 27, 2024	Jan. 25, 2025	Jan. 27, 2024
Earnings Per Share [Abstract]
Denominator for basic earnings per share – weighted average shares (in shares)	88,306	92,009	88,197	94,088
Effect of dilutive securities - stock options, restricted stock and stock purchase plans (in shares)	764	510	674	616
Denominator for diluted earnings per share – weighted average shares (in shares)	89,070	92,519	88,871	94,704