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Stock-Based Incentive Compensation Plans (Details) (Weighted-average Valuation Assumptions) (Stock Options)
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12 Months Ended | ||
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Dec. 29, 2012
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Dec. 31, 2011
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Dec. 25, 2010
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Stock Options
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| Valuation Assumptions [Line Items] | |||
| Expected volatility | 56.24% | 54.82% | 55.97% |
| Risk-free interest rate | 0.52% | 1.60% | 1.34% |
| Expected dividends | 0.00% | 0.00% | 0.00% |
| Expected life (in years) | 3 years 9 months 15 days | 3 years 8 months 30 days | 3 years 8 months 15 days |
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- Details
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- 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
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- Definition
Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- 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
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- 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
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