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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 28, 2013 | Jun. 29, 2012 | Jun. 28, 2013 | Jun. 29, 2012
Income Statement [Abstract] |  |  |  |
Product revenue | $ 96,777 | $ 103,352 | $ 179,252 | $ 202,850
Service revenue | 20,351 | 18,708 | 39,548 | 35,649
Net revenue | 117,128 | 122,060 | 218,800 | 238,499
Product cost of revenue | 48,932 | 56,494 | 94,169 | 113,044
Service cost of revenue | 10,304 | 10,485 | 20,574 | 19,912
Total cost of revenue | 59,236 | 66,979 | 114,743 | 132,956
Gross profit | 57,892 | 55,081 | 104,057 | 105,543
Operating expenses: |  |  |  |
Research and development | 25,820 | 24,856 | 51,071 | 51,619
Selling, general and administrative | 34,424 | 31,327 | 67,693 | 62,730
Amortization of intangibles | 2,010 | 2,190 | 4,098 | 4,369
Restructuring and related charges | 242 |  | 666 |
Total operating expenses | 62,496 | 58,373 | 123,528 | 118,718
Loss from operations | (4,604) | (3,292) | (19,471) | (13,175)
Interest income (expense), net | 30 | 116 | 94 | 235
Other income (expense), net | (133) | (120) | (300) | 283
Loss from continuing operations before income taxes | (4,707) | (3,296) | (19,677) | (12,657)
(Benefit from) provision for income taxes | (1,303) | 579 | (6,770) | (47)
Loss from continuing operations | (3,404) | (3,875) | (12,907) | (12,610)
Income (loss) from discontinued operations, net of tax (including gain on disposal of $14,819, net of tax, for the six months ended June 28, 2013) | (396) | 3,892 | 15,528 | 5,099
Net income (loss) | $ (3,800) | $ 17 | $ 2,621 | $ (7,511)
Basic and diluted net income (loss) per share from: |  |  |  |
Continuing operations | $ (0.03) | $ (0.03) | $ (0.11) | $ (0.11)
Discontinued operations | $ 0.00 | $ 0.03 | $ 0.14 | $ 0.04
Net income (loss) | $ (0.03) | $ 0.00 | $ 0.02 | $ (0.06)
Shares used in per share calculation: |  |  |  |
Basic and diluted | 109,938 | 117,056 | 112,534 | 117,162

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