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NET INCOME (LOSS) PER SHARE | 12 Months Ended
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Jan. 01, 2017
Earnings Per Share [Abstract] |
NET INCOME (LOSS) PER SHARE | NET INCOME (LOSS) PER SHARE Diluted common shares were calculated as follows (in thousands, except per share amounts):
| Years ended
| 2016 |  | 2015 |  | 2014
Net income (loss) | $ | (15,251 | ) |  | $ | 71,247 |  |  | $ | 65,675 |
Weighted average number of common shares used in basic net income (loss) per common share | 41,648 |  |  | 41,226 |  |  | 40,734 |
Dilutive effect of non-vested restricted stock | — |  |  | 396 |  |  | 442 |
Weighted average number of common shares used in diluted net income (loss) per common share | 41,648 |  |  | 41,622 |  |  | 41,176 |
Net income (loss) per common share: |  |  |  |  |
Basic | $ | (0.37 | ) |  | $ | 1.73 |  |  | $ | 1.61 |
Diluted | $ | (0.37 | ) |  | $ | 1.71 |  |  | $ | 1.59 |
Anti-dilutive shares | — |  |  | 89 |  |  | 58 |

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