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STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Jan. 01, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of restricted and unrestricted stock and performance share units activity | Restricted and unrestricted stock awards and performance share units activity for the year ended December 31, 2017, was as follows:
(shares in thousands) | Shares | Weighted- average grant-date price
Non-vested at beginning of period | 1,209 |  | $ | 22.76 |
Granted | 657 |  | $ | 25.45 |
Vested | (438 | ) | $ | 23.73 |
Forfeited | (107 | ) | $ | 24.65 |
Non-vested at the end of the period | 1,321 |  | $ | 23.50 |
Schedule of share-based compensation, employee stock purchase plan | The following table summarizes transactions under our ESPP from fiscal 2017, 2016 and 2015:
(shares in thousands) |  | Shares | Average price per share
Issued during fiscal | 2017 | 72 |  | $ | 20.43 |
Issued during fiscal | 2016 | 87 |  | $ | 17.51 |
Issued during fiscal | 2015 | 68 |  | $ | 20.65 |

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