Condensed Consolidated Balance Sheets (Unaudited)(Parenthetical) - USD ($) $ in Thousands |
Jan. 31, 2016 |
May. 03, 2015 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Allowance for doubtful accounts | $ 790 | $ 1,136 |
| Preferred stock, par value (in usd per share) | $ 0.001 | $ 0.001 |
| Preferred stock, shares authorized | 5,000,000 | 5,000,000 |
| Preferred stock, shares issued | 0 | 0 |
| Preferred stock, shares outstanding | 0 | 0 |
| Common stock, par value (in usd per share) | $ 0.001 | $ 0.001 |
| Common stock, shares authorized | 750,000,000 | 750,000,000 |
| Common stock, shares issued | 107,521,255 | 104,131,817 |
| Common stock, shares outstanding | 107,521,255 | 104,131,817 |