|
Note 6 - Equity Incentive Plan and Stock-Based Compensation (Details) - Stock Option Activities (USD $)
In Thousands, except Share data, unless otherwise specified |
9 Months Ended | 12 Months Ended |
|---|---|---|
|
Sep. 28, 2014
|
Dec. 29, 2013
|
|
| Stock Option Activities [Abstract] | ||
| Number of Shares | 5,007,270 | 6,542,929 |
| Exercise Price | $ 13.29 | $ 13.03 |
| Contractual Life (in Years) | 3 years 266 days | 4 years 153 days |
| Intrinsic Value | $ 46,191 | $ 14,061 |
| Total vested and exercisable as of September 28, 2014 | 4,386,657 | |
| Total vested and exercisable as of September 28, 2014 | $ 13.63 | |
| Total vested and exercisable as of September 28, 2014 | 3 years 200 days | |
| Total vested and exercisable as of September 28, 2014 | 38,934 | |
| Cancelled/Forfeited | (299,269) | |
| Cancelled/Forfeited | $ 15.39 | |
| Exercised | (1,236,390) | |
| Exercised | $ 18.06 | |
| Exercised | $ 8,130 |