|
Stock-Based Incentive Compensation Plans (Weighted-Average Assumptions To Value Employee Stock Options) (Details)
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2011
|
Dec. 25, 2010
|
Dec. 26, 2009
|
|
| Stock-Based Incentive Compensation Plans [Abstract] | |||
| Expected volatility | 54.82% | 55.97% | 70.51% |
| Risk-free interest rate | 1.60% | 1.34% | 1.56% |
| Expected dividends | 0.00% | 0.00% | 0.00% |
| Expected life (in years) | 3.75 | 3.71 | 3.67 |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The range of expected volatilities used and the weighted-average expected volatility for an entity using a valuation technique with different volatilities during the contractual term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|