|
Note 6. Equity Incentive Plan and Stock-Based Compensation (Details) - Valuation Assumption - Performance Stock Units (USD $)
|
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 29, 2013
|
Dec. 30, 2012
Performance Stock Units [Member]
|
Dec. 29, 2013
Performance Stock Units [Member]
Minimum [Member]
|
Dec. 25, 2011
Performance Stock Units [Member]
Maximum [Member]
|
|
| Note 6. Equity Incentive Plan and Stock-Based Compensation (Details) - Valuation Assumption - Performance Stock Units [Line Items] | ||||
| Range of stock price on grant date (in Dollars per share) | $ 11.5 | $ 11.97 | ||
| Range of expected volatility | 36.01% | 50.90% | ||
| Risk-free interest rate | 0.21% | |||
| Dividend yield | 0.00% | 0.00% | ||