|
Note 5. Equity Incentive Plan and Stock-Based Compensation (Detail) - Stock Option Activities (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended |
|---|---|---|
|
Mar. 31, 2013
|
Dec. 30, 2012
|
|
| Number of Shares | 6,955,256 | 6,641,892 |
| Weighted Average Exercise Price (in Dollars per share) | $ 13.00 | $ 13.06 |
| Weighted Average Remaining Contractual Life (in Years) | 5 years 69 days | 5 years 124 days |
| Aggregate Intrinsic Value (in Dollars) | $ 12,039 | $ 15,228 |
| Total vested and exercisable as of March 31, 2013 | 3,964,421 | |
| Total vested and exercisable as of March 31, 2013 (in Dollars per share) | $ 13.47 | |
| Total vested and exercisable as of March 31, 2013 | 4 years 281 days | |
| Total vested and exercisable as of March 31, 2013 (in Dollars) | 6,466 | |
| Granted | 408,000 | |
| Granted (in Dollars per share) | $ 11.50 | |
| Canceled/Forfeited | (26,131) | |
| Canceled/Forfeited (in Dollars per share) | $ 14.43 | |
| Exercised | (68,505) | |
| Exercised (in Dollars per share) | $ 9.34 | |
| Exercised (in Dollars) | $ 202 |