The Company's investments in fixed income securities as of January 31, 2016 and May 3, 2015 were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | January 31, 2016 | | May 3, 2015 | | | Gross Unrealized | | | | Gross Unrealized | | (in thousands) | Amortized Cost | Gains | Losses | Fair Value | | Amortized Cost | Gains | Losses | Fair Value | Certificates of deposit | $ | 262,726 |
| $ | — |
| $ | — |
| $ | 262,726 |
| | $ | 292,748 |
| $ | — |
| $ | — |
| $ | 292,748 |
| Total | $ | 262,726 |
| $ | — |
| $ | — |
| $ | 262,726 |
| | $ | 292,748 |
| $ | — |
| $ | — |
| $ | 292,748 |
| Reported as: | | | | | | | | | | Short-term investments | $ | 262,726 |
| $ | — |
| $ | — |
| $ | 262,726 |
| | $ | 292,748 |
| $ | — |
| $ | — |
| $ | 292,748 |
| Total | $ | 262,726 |
| $ | — |
| $ | — |
| $ | 262,726 |
|
| $ | 292,748 |
| $ | — |
| $ | — |
| $ | 292,748 |
|
|