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Stock-Based Incentive Compensation Plans (Details) (Weighted-average Valuation Assumptions)
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3 Months Ended | |
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Mar. 30, 2013
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Mar. 31, 2012
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Expected volatility | 60.97% | 50.74% |
| Risk-free interest rate | 0.61% | 0.58% |
| Expected dividends | 0.00% | 0.00% |
| Expected life (in years) | 3 years 10 months 0 days | 3 years 9 months 15 days |
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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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- Details
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