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Quarterly Financial Data (Unaudited) | 12 Months Ended
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Dec. 28, 2019
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data (Unaudited) | Quarterly Financial Data (Unaudited) A summary of the Company's consolidated quarterly results of operations is as follows:
|  | 2019 |  | 2018
(In thousands, except per share data) |  | Q4 |  | Q3 |  | Q2 |  | Q1 |  | Q4 |  | Q3 |  | Q2 |  | Q1
Revenue |  | $ | 100,237 |  |  | $ | 103,469 |  |  | $ | 102,296 |  |  | $ | 98,091 |  |  | $ | 95,977 |  |  | $ | 101,484 |  |  | $ | 102,715 |  |  | $ | 98,623 |
Gross margin |  | 59,293 |  |  | 61,439 |  |  | 60,038 |  |  | 57,652 |  |  | 54,306 |  |  | 58,364 |  |  | 50,248 |  |  | 56,521 |
Restructuring charges |  | (55 | ) |  | 252 |  |  | 3,126 |  |  | 1,341 |  |  | 11,854 |  |  | 90 |  |  | 4,376 |  |  | 1,029 |
Net income (loss) |  | $ | 13,987 |  |  | $ | 13,539 |  |  | $ | 8,559 |  |  | $ | 7,408 |  |  | $ | (7,121 | ) |  | $ | 6,974 |  |  | $ | (20,223 | ) |  | $ | (5,952 | )
Net income (loss) per share - basic |  | $ | 0.10 |  |  | $ | 0.10 |  |  | $ | 0.06 |  |  | $ | 0.06 |  |  | $ | (0.05 | ) |  | $ | 0.05 |  |  | $ | (0.16 | ) |  | $ | (0.05 | )
Net income (loss) per share - diluted |  | $ | 0.10 |  |  | $ | 0.10 |  |  | $ | 0.06 |  |  | $ | 0.05 |  |  | $ | (0.05 | ) |  | $ | 0.05 |  |  | $ | (0.16 | ) |  | $ | (0.05 | )

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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