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Net Income (Loss) Per Share | 12 Months Ended
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Dec. 28, 2018
Earnings Per Share [Abstract] |
Net Income (Loss) Per Share | NET INCOME (LOSS) PER SHARE The computation of basic and diluted net income (loss) per share was as follows (in thousands, except per share amounts):
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Numerator: |  |  |  |  |
Net income (loss) | $ | 690,070 |  |  | $ | 154,227 |  |  | $ | (70,222 | )
Net income allocated to participating securities | — |  |  | (367 | ) |  | — |
Net income (loss) allocable to common stock for basic net income (loss) per share | 690,070 |  |  | 153,860 |  |  | (70,222 | )
Adjustment to net income allocated to participating securities | — |  |  | 22 |  |  | — |
Net income (loss) allocable to common stock for diluted net income (loss) per share | $ | 690,070 |  |  | $ | 153,882 |  |  | $ | (70,222 | )
Denominator: |  |  |  |  |
Weighted-average shares of common stock outstanding used in computing basic net income (loss) per share | 297,892 |  |  | 293,588 |  |  | 250,531 |
Dilutive securities | 14,911 |  |  | 18,415 |  |  | — |
Weighted-average shares of common stock outstanding and dilutive securities used in computing diluted net income (loss) per share | 312,803 |  |  | 312,003 |  |  | 250,531 |
Net income (loss) per share, basic | $ | 2.32 |  |  | $ | 0.52 |  |  | $ | (0.28 | )
Net income (loss) per share, diluted | $ | 2.21 |  |  | $ | 0.49 |  |  | $ | (0.28 | )
Potential shares of common stock not included in the computation of diluted net income (loss) per share because to do so would be anti-dilutive was as follows (in thousands):
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Outstanding stock options, unvested RSUs and ESPP contributions | 3,968 |  |  | 1,645 |  |  | 27,568 |
Secured Convertible Notes due 2018 held by entities associated with Deerfield Management Company, L.P. (Deerfield Notes) | — |  |  | — |  |  | 33,890 |
2014 Warrants | — |  |  | — |  |  | 1,000 |
Total | 3,968 |  |  | 1,645 |  |  | 62,458 |
The Deerfield Notes were repaid in June 2017. Warrants to purchase an aggregate of 1,000,000 shares of our common stock issued in January 2014 (2014 Warrants) were participating securities. The warrant holders did not have a contractual obligation to share in our losses. The 2014 Warrants were fully exercised in September 2017.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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