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Consolidated Statements of Earnings (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 27, 2014 | Sep. 28, 2013 | Sep. 27, 2014 | Sep. 28, 2013
Net sales: |  |  |  |
Net sales of tangible products | $ 282,643 | $ 249,919 | $ 814,584 | $ 714,949
Revenue from services and software | 20,629 | 13,604 | 65,377 | 38,671
Total net sales | 303,272 | 263,523 | 879,961 | 753,620
Cost of sales: |  |  |  |
Cost of sales of tangible products | 141,842 | 128,191 | 409,253 | 370,966
Cost of services and software | 9,924 | 6,722 | 29,095 | 20,072
Total cost of sales | 151,766 | 134,913 | 438,348 | 391,038
Gross profit | 151,506 | 128,610 | 441,613 | 362,582
Operating expenses: |  |  |  |
Selling and marketing | 36,781 | 34,395 | 107,952 | 101,740
Research and development | 25,225 | 22,376 | 71,792 | 67,435
General and administrative | 24,741 | 22,452 | 79,453 | 71,781
Amortization of intangible assets | 2,597 | 1,831 | 7,936 | 5,557
Acquisition and integration costs | 35,326 | 268 | 60,617 | 1,368
Exit and restructuring costs | (120) | 519 | 434 | 3,515
Total operating expenses | 124,550 | 81,841 | 328,184 | 251,396
Operating income | 26,956 | 46,769 | 113,429 | 111,186
Other income (expense): |  |  |  |
Investment income (loss) | (2,448) | 550 | (1,648) | 1,700
Foreign exchange loss | (83) | (173) | (332) | (733)
Forward swaps gain/(loss) | 185 | 0 | (2,248) | 0
Other, net | 196 | (5) | 147 | 1,468
Total other income (expense) | (2,150) | 372 | (4,081) | 2,435
Income from continuing operations before income taxes | 24,806 | 47,141 | 109,348 | 113,621
Income taxes | 9,861 | 8,541 | 25,240 | 20,921
Income from continuing operations | 14,945 | 38,600 | 84,108 | 92,700
Income from discontinued operations, net of tax | 0 | 0 | 0 | 8
Net income | $ 14,945 | $ 38,600 | $ 84,108 | $ 92,708
Basic earnings per share: |  |  |  |
Income from continuing operations | $ 0.29 | $ 0.76 | $ 1.66 | $ 1.82
Income from discontinued operations | $ 0.00 | $ 0.00 | $ 0.00 | $ 0.00
Net income | $ 0.29 | $ 0.76 | $ 1.66 | $ 1.82
Diluted earnings per share: |  |  |  |
Income from continuing operations | $ 0.29 | $ 0.76 | $ 1.64 | $ 1.81
Income from discontinued operations | $ 0.00 | $ 0.00 | $ 0.00 | $ 0.00
Net income | $ 0.29 | $ 0.76 | $ 1.64 | $ 1.81
Basic weighted average shares outstanding | 50,835 | 50,590 | 50,615 | 50,808
Diluted weighted average and equivalent shares outstanding | 51,461 | 50,924 | 51,251 | 51,171

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 + Details
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