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Income Taxes (Tables) | 9 Months Ended
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Sep. 28, 2018
Income Tax Disclosure [Abstract] |
Schedule of income before income tax | The Company reported the following operating results for the periods presented (in thousands):
| Three months ended |  | Nine months ended
| September 28, 2018 |  | September 29, 2017 |  | September 28, 2018 |  | September 29, 2017
Loss before income taxes | $ | (6,888 | ) |  | $ | (17,498 | ) |  | $ | (21,526 | ) |  | $ | (72,678 | )
Provision for (benefit from) income taxes | 870 |  |  | (1,915 | ) |  | 2,839 |  |  | (1,568 | )
Effective income tax rate | (12.6 | )% |  | 10.9 | % |  | (13.2 | )% |  | 2.2 | %

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- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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