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Stock-Based Incentive Compensation Plans (Details) (Weighted-average Valuation Assumptions)
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3 Months Ended | 6 Months Ended | ||
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Jun. 28, 2014
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Jun. 29, 2013
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Jun. 28, 2014
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Jun. 29, 2013
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| Stock Options, Valuation Assumptions [Line Items] | ||||
| Expected volatility | 51.68% | 57.18% | 53.36% | 59.08% |
| Risk-free interest rate | 1.12% | 0.58% | 1.09% | 0.60% |
| Expected dividends | 0.00% | 0.00% | 0.00% | 0.00% |
| Expected life | 3 years 10 months 10 days | 3 years 10 months 0 days | 3 years 10 months 10 days | 3 years 10 months 0 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
Weighted average expected volatility rate of share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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