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Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Consolidated Statements of Comprehensive Income |  |
Revenue | $ 375,249 | $ 338,277
Operating expenses |  |
Cost of services (exclusive of depreciation and amortization presented separately below) | 283,370 | 253,898
Selling, general and administrative | 47,045 | 43,220
Depreciation and amortization | 17,924 | 14,500
Restructuring charges, net | 849 | 169
Impairment losses | 1,120 |
Total operating expenses | 350,308 | 311,787
Income from operations | 24,941 | 26,490
Other income (expense) |  |
Interest income | 1,068 | 426
Interest expense | (6,459) | (2,318)
Loss on assets held-for-sale | (11,516) | 960
Total other income (expense) | (16,907) | (932)
Income before income taxes | 8,034 | 25,558
Benefit from (provision for) income taxes | (2,102) | (5,391)
Net income | 5,932 | 20,167
Net income attributable to noncontrolling interest | (1,341) | (922)
Net income (loss) attributable to TeleTech stockholders | 4,591 | 19,245
Other comprehensive income (loss) |  |
Foreign currency translation adjustments | (5,599) | 6,228
Derivative valuation, gross | 1,235 | 13,975
Derivative valuation, tax effect | (1,242) | (5,791)
Other, net of tax | 108 | 129
Total other comprehensive income (loss) | (5,498) | 14,541
Total comprehensive income (loss) | 434 | 34,708
Less: Comprehensive income attributable to noncontrolling interest | (1,442) | (1,014)
Comprehensive income attributable to TeleTech stockholders | $ (1,008) | $ 33,694
Weighted average shares outstanding |  |
Basic | 45,871 | 45,950
Diluted | 46,452 | 46,315
Net income per share attributable to TeleTech stockholders |  |
Basic | $ 0.10 | $ 0.42
Diluted | 0.10 | 0.42
Dividends declared per share outstanding | $ 0.27 | $ 0.22

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