General - Computation of Basic and Diluted Earnings Per Share (EPS) (Detail) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Jan. 29, 2022	Jan. 23, 2021	Jan. 29, 2022	Jan. 23, 2021
Earnings Per Share [Abstract]
Denominator for basic earnings per share – weighted average shares (in shares)	97,471	95,734	97,213	95,472
Effect of dilutive securities - stock options, restricted stock and stock purchase plans (in shares)	1,083	1,219	1,237	907
Denominator for diluted earnings per share – weighted average shares (in shares)	98,554	96,953	98,450	96,379