STOCK-BASED COMPENSATION (Valuation Assumptions) (Details) - $ / shares |
9 Months Ended | |
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Sep. 30, 2018 |
Oct. 01, 2017 |
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| Stock-Based Compensation [Abstract] | ||
| Weighted-average fair value of options granted during the period | $ 3.73 | $ 2.42 |
| Expected life (in years) | 6 years 2 months 12 days | 6 years 1 month 6 days |
| Expected dividend | 0.00% | 0.00% |
| Expected stock volatility | 45.94% | 54.41% |
| Risk-free interest rate | 2.90% | 2.00% |
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- Definition Performance Shares, Stock Options, Other Forms Of Compensation And Common Share Repurchases [Abstract] No definition available.
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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://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average expected volatility rate of share-based compensation awards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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