|
Note 5. Equity Incentive Plan and Stock-Based Compensation (Detail) (USD $)
|
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2013
|
Mar. 25, 2012
|
|
| Performance Period For Performance Stock Units | 18 years | |
| Income Tax Expense (Benefit) | $ 2,388,000 | $ 3,445,000 |
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized | 41,000,000 | |
| Share-Based Compensation, Arrangement By Share-Based Award Fair Value Assumption, Fair Value Per Share (in Dollars per share) | $ 7.40 | |
| Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options | 0 | |
|
Stock Options [Member]
|
||
| Income Tax Expense (Benefit) | $ 0 | $ 0 |
|
Shares Granted In Fiscal 2013 [Member]
|
||
| Share-Based Compensation, Minimum Percentage of Performance Stock Units | 0.00% | |
| Share-Based Compensation, Maximum Percentage Of Performance Stock Units Vested | 100.00% | |