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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 27, 2015 | Jun. 28, 2014 | Jun. 27, 2015 | Jun. 28, 2014
Income Statement [Abstract] |  |  |  |
Service revenue | $ 214,380 | $ 211,003 | $ 411,160 | $ 383,348
Product revenue | 125,193 | 130,176 | 248,827 | 257,199
Total revenue | 339,573 | 341,179 | 659,987 | 640,547
Costs and expenses: |  |  |  |
Cost of services provided | 144,143 | 147,954 | 280,449 | 271,923
Cost of products sold | 62,647 | 67,591 | 127,095 | 134,177
Selling, general and administrative | 71,331 | 67,756 | 142,728 | 132,523
Amortization of intangible assets | 5,717 | 6,853 | 10,975 | 11,193
Operating income | 55,735 | 51,025 | 98,740 | 90,731
Other income (expense): |  |  |  |
Interest income | 297 | 222 | 581 | 427
Interest expense | (4,376) | (3,373) | (7,400) | (6,174)
Other income (expense), net | 8,672 | 2,667 | 359 | 8,543
Income from continuing operations, before income taxes | 60,328 | 50,541 | 92,280 | 93,527
Provision for income taxes | 11,076 | 14,081 | 11,407 | 24,439
Income from continuing operations, net of income taxes | 49,252 | 36,460 | 80,873 | 69,088
Loss from discontinued operations, net of income taxes | (7) | (644) | (14) | (914)
Net income | 49,245 | 35,816 | 80,859 | 68,174
Less: Net income attributable to noncontrolling interests | (736) | (552) | (809) | (678)
Net income attributable to common shareholders | $ 48,509 | $ 35,264 | $ 80,050 | $ 67,496
Basic: |  |  |  |
Continuing operations attributable to common shareholders (in dollars per share) | $ 1.04 | $ 0.76 | $ 1.71 | $ 1.46
Discontinued operations (in dollars per share) | 0.00 | (0.01) | 0.00 | (0.02)
Net income attributable to common shareholders (in dollars per share) | 1.04 | 0.75 | 1.71 | 1.44
Diluted: |  |  |  |
Continuing operations attributable to common shareholders (in dollars per share) | 1.02 | 0.75 | 1.68 | 1.43
Discontinued operations (in dollars per share) | 0.00 | (0.01) | 0.00 | (0.02)
Net income attributable to common shareholders (in dollars per share) | $ 1.02 | $ 0.74 | $ 1.68 | $ 1.41

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