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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Income Statement [Abstract] |  |
Revenue | $ 1,901,764 | $ 858,198
Costs and expenses: |  |
Direct costs (excluding depreciation and amortization) | 1,378,467 | 626,244
Selling, general and administrative expense | 195,261 | 86,034
Depreciation and amortization | 141,405 | 17,405
Transaction and integration-related expenses | 12,085 | 12,501
Restructuring | 4,207 | 0
Total costs and expenses | 1,731,425 | 742,184
Income from operations | 170,339 | 116,014
Interest income | 127 | 257
Interest expense | (44,425) | (2,727)
Income before provision for income taxes | 126,041 | 113,544
Provision for income taxes | (13,286) | (16,148)
Income before share of earnings from equity method investments | 112,755 | 97,396
Share of losses in equity method investments | (785) | (274)
Net income attributable to the Group | $ 111,970 | $ 97,122
Net income per Ordinary Share attributable to the Group (note 14): |  |
Basic (in USD per share) | $ 1.37 | $ 1.84
Diluted (in USD per share) | $ 1.36 | $ 1.82
Weighted average number of Ordinary Shares outstanding (note 14): |  |
Basic (in shares) | 81,463,303 | 52,811,460
Diluted (in shares) | 82,613,098 | 53,310,453

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