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Acquisitions - Unaudited Supplemental Pro Forma Results of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2021
Business Combination and Asset Acquisition [Abstract] |  |
Revenues | $ 3,862,768 | $ 7,180,383
Gross profit | 606,039 | 1,105,600
Selling, general and administrative expenses | (334,034) | (639,909)
Amortization of intangible assets | (66,931) | (134,506)
Net income | 145,806 | 240,999
Net income attributable to common stock | $ 143,868 | $ 237,503
Earnings per share attributable to common stock: |  |
Basic (in dollars per share) | $ 1.00 | $ 1.65
Diluted (in dollars per share) | $ 0.97 | $ 1.60

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