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Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 29, 2017
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Data | The unaudited quarterly financial data for the last two fiscal years was as follows (in thousands, except per share data):
| Quarter Ended
| December 31, |  | September 30, |  | June 30, |  | March 31,
2017: |  |  |  |  |  |  |
Total revenues | $ | 120,072 |  |  | $ | 152,510 |  |  | $ | 99,008 |  |  | $ | 80,887 |
Gross profit (1) | $ | 91,520 |  |  | $ | 91,758 |  |  | $ | 84,990 |  |  | $ | 65,674 |
Income from operations | $ | 37,431 |  |  | $ | 81,180 |  |  | $ | 27,113 |  |  | $ | 20,186 |
Net income | $ | 38,489 |  |  | $ | 81,382 |  |  | $ | 17,656 |  |  | $ | 16,700 |
Net income per share, basic | $ | 0.13 |  |  | $ | 0.28 |  |  | $ | 0.06 |  |  | $ | 0.06 |
Net income per share, diluted | $ | 0.12 |  |  | $ | 0.26 |  |  | $ | 0.06 |  |  | $ | 0.05 |
2016: |  |  |  |  |  |  |
Total revenues | $ | 77,581 |  |  | $ | 62,194 |  |  | $ | 36,252 |  |  | $ | 15,427 |
Gross profit (1) | $ | 50,064 |  |  | $ | 40,287 |  |  | $ | 30,058 |  |  | $ | 8,414 |
Income (loss) from operations | $ | 38,883 |  |  | $ | 7,264 |  |  | $ | (25,136 | ) |  | $ | (49,135 | )
Net income (loss) | $ | 35,123 |  |  | $ | (11,284 | ) |  | $ | (34,838 | ) |  | $ | (59,223 | )
Net income (loss) per share, basic | $ | 0.12 |  |  | $ | (0.04 | ) |  | $ | (0.15 | ) |  | $ | (0.26 | )
Net income (loss) per share, diluted | $ | 0.12 |  |  | $ | (0.04 | ) |  | $ | (0.15 | ) |  | $ | (0.26 | )
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(1) | Gross profit is computed as Net product revenues less Cost of goods sold.

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306 + Details
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