STOCK-BASED COMPENSATION (Options Rollforward) (Details) - $ / shares shares in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jul. 01, 2018 |
Dec. 31, 2017 |
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| Stock-Based Compensation [Abstract] | ||
| Outstanding options at beginning of period (in shares) | 539 | |
| Options granted | 90 | |
| Exercise of stock options (in shares) | (125) | |
| Options forfeited or expired (in shares) | (83) | |
| Outstanding options at end of period (in shares) | 421 | 539 |
| Outstanding Weighted Average Price at beginning of period | $ 6.60 | |
| Granted Weighted Average Exercise Price | 7.67 | |
| Exercised Weighted Average Exercise Price | 5.26 | |
| Forfeited or Expired Weighted Average Exercise Price | 5.65 | |
| Outstanding Weighted Average Price at end of period | $ 7.30 | $ 6.60 |
| Options Outstanding Weighted Average Remaining Contractual Term | 7 years 3 months 18 days | 6 years 7 months 6 days |
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- Definition Performance Shares, Stock Options, Other Forms Of Compensation And Common Share Repurchaces [Abstract] No definition available.
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average price of options that were either forfeited or expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Definition Weighted average remaining contractual term for option awards outstanding, 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 Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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