|
Note 6. Equity Incentive Plan and Stock-Based Compensation (Details) - Stock Option Activities (USD $) In Thousands, except Share data, unless otherwise specified
|
6 Months Ended |
12 Months Ended |
|
Jun. 30, 2013
|
Dec. 30, 2012
|
| Stock Option Activities [Abstract] |
|
|
| Number of Shares |
6,795,177 |
6,641,892 |
| Weighted Average Exercise Price (in Dollars per share) |
$ 13.04 |
$ 13.06 |
| Weighted Average Remaining Contractual Life (in Years) |
4 years 306 days |
5 years 124 days |
| Aggregate Intrinsic Value (in Dollars) |
$ 10,030 |
$ 15,228 |
| Total vested and exercisable as of June 30, 2013 |
4,436,879 |
|
| Total vested and exercisable as of June 30, 2013 (in Dollars per share) |
$ 13.48 |
|
| Total vested and exercisable as of June 30, 2013 |
4 years 306 days |
|
| Total vested and exercisable as of June 30, 2013 (in Dollars) |
6,221 |
|
| Granted |
530,000 |
|
| Granted (in Dollars per share) |
$ 11.65 |
|
| Cancelled/Forfeited |
(221,456) |
|
| Cancelled/Forfeited (in Dollars per share) |
$ 12.77 |
|
| Exercised |
(155,259) |
|
| Exercised (in Dollars per share) |
$ 9.63 |
|
| Exercised (in Dollars) |
$ 450 |
|