General - Computation of Basic and Diluted Earnings Per Share (EPS) (Detail) - shares shares in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jan. 30, 2016 |
Jan. 24, 2015 |
Jan. 30, 2016 |
Jan. 24, 2015 |
|
| Earnings Per Share [Abstract] | ||||
| Denominator for basic EPS – weighted average shares | 95,335 | 98,842 | 97,809 | 98,991 |
| Effect of dilutive securities (shares) | 595 | 698 | 679 | 708 |
| Denominator for diluted EPS – weighted average shares | 95,930 | 99,540 | 98,488 | 99,699 |