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Selected Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Selected Quarterly Financial Information Data |
| Quarter Ended
| March 29, 2020 |  | June 28, 2020 |  | September 27, 2020 |  | December 31, 2020
| (In thousands, except per share amounts)
Revenue | $ | 167,235 |  |  | $ | 169,097 |  |  | $ | 251,073 |  |  | $ | 223,615 |
Gross margin | 126,035 |  |  | 118,777 |  |  | 191,332 |  |  | 168,455 |
Restructuring charges | — |  |  | 14,798 |  |  | 251 |  |  | 875 |
Intangible asset impairment charges | — |  |  | 19,571 |  |  | — |  |  | — |
Operating income (loss) | 20,951 |  |  | (6,142) |  |  | 96,635 |  |  | 59,085 |
Net income (loss) | $ | 20,477 |  |  | $ | (1,142) |  |  | $ | 87,506 |  |  | $ | 69,345 |
Basic net income (loss) per share | $ | 0.12 |  |  | $ | (0.01) |  |  | $ | 0.50 |  |  | $ | 0.40 |
Diluted net income (loss) per share | $ | 0.12 |  |  | $ | (0.01) |  |  | $ | 0.49 |  |  | $ | 0.39 |
| Quarter Ended
| March 31, 2019 |  | June 30, 2019 |  | September 29, 2019 |  | December 31, 2019
| (In thousands, except per share amounts)
Revenue | $ | 173,484 |  |  | $ | 199,047 |  |  | $ | 183,325 |  |  | $ | 169,769 |
Gross margin | 127,200 |  |  | 148,080 |  |  | 135,693 |  |  | 124,898 |
Operating income | 30,147 |  |  | 51,756 |  |  | 43,092 |  |  | 17,607 |
Net income | $ | 33,104 |  |  | $ | 48,749 |  |  | $ | 41,685 |  |  | $ | 80,327 |
Basic net income per share | $ | 0.19 |  |  | $ | 0.28 |  |  | $ | 0.24 |  |  | $ | 0.47 |
Diluted net income per share | $ | 0.19 |  |  | $ | 0.28 |  |  | $ | 0.24 |  |  | $ | 0.46 |

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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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121640914&loc=d3e1280-108306 + Details
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