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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:
| Years ended
(in thousands, except per share data) | 2017 | 2016 | 2015
Net income (loss) | $ | 55,456 |  | $ | (15,251 | ) | $ | 71,247 |
Weighted average number of common shares used in basic net income (loss) per common share | 41,202 |  | 41,648 |  | 41,226 |
Dilutive effect of non-vested restricted stock | 239 |  | — |  | 396 |
Weighted average number of common shares used in diluted net income (loss) per common share | 41,441 |  | 41,648 |  | 41,622 |
Net income (loss) per common share: |  |  |
Basic | $ | 1.35 |  | $ | (0.37 | ) | $ | 1.73 |
Diluted | $ | 1.34 |  | $ | (0.37 | ) | $ | 1.71 |
Anti-dilutive shares | 418 |  | — |  | 89 |

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