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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Income Statement [Abstract] |  |  |  |
Revenue | $ 345,558 | $ 326,584 | $ 1,011,157 | $ 973,560
Direct costs | 242,747 | 230,539 | 714,144 | 684,786
Gross profit | 102,811 | 96,045 | 297,013 | 288,774
Selling, general and administrative expenses | 79,223 | 74,398 | 237,053 | 230,096
Depreciation and amortization | 1,427 | 1,700 | 4,619 | 5,143
Income from operations | 22,161 | 19,947 | 55,341 | 53,535
Other expense, net | 880 | 1,052 | 2,206 | 3,654
Income from continuing operations, before income taxes | 21,281 | 18,895 | 53,135 | 49,881
Income tax expense | 5,374 | 4,739 | 13,178 | 12,595
Income from continuing operations | 15,907 | 14,156 | 39,957 | 37,286
(Loss) income from discontinued operations, net of tax | (967) | 2,021 | 76,697 | 4,338
Net income | 14,940 | 16,177 | 116,654 | 41,624
Other comprehensive (loss) income: |  |  |  |
Change in fair value of interest rate swap, net of tax | (113) |  | (871) |
Change in fair value of interest swap, net of tax |  | 110 |  | 807
Comprehensive income | $ 14,827 | $ 16,287 | $ 115,783 | $ 42,431
Earnings per share – basic: |  |  |  |
Continuing operations (in dollars per share) | $ 0.70 | $ 0.57 | $ 1.68 | $ 1.50
Discontinued operations (in dollars per share) | (0.04) | 0.08 | 3.24 | 0.18
Earnings per share - basic (in dollars per share) | 0.66 | 0.65 | 4.92 | 1.68
Earnings per share – diluted: |  |  |  |
Continuing operations (in dollars per share) | 0.68 | 0.56 | 1.65 | 1.48
Discontinued operations (in dollars per share) | (0.04) | 0.08 | 3.16 | 0.17
Earnings per share – diluted (in dollars per share) | $ 0.64 | $ 0.64 | $ 4.81 | $ 1.65
Weighted average shares outstanding – basic (in shares) | 22,770 | 24,730 | 23,723 | 24,746
Weighted average shares outstanding – diluted (in shares) | 23,342 | 25,366 | 24,278 | 25,252

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