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UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Revenues: |  |
Total revenues | $ 1,376,695 | $ 1,307,387
Cost of revenues: (exclusive of items shown separately below) |  |
Total cost of revenues | 971,070 | 931,514
Selling, general and administrative expenses | 181,868 | 166,753
Accretion of environmental liabilities | 3,217 | 3,407
Depreciation and amortization | 95,065 | 84,758
Income from operations | 125,475 | 120,955
Other (expense) income, net | (1,141) | 116
Loss on early extinguishment of debt | 0 | (2,362)
Interest expense, net of interest income of $3,514 and $2,955, respectively | (28,539) | (20,632)
Income before provision for income taxes | 95,795 | 98,077
Provision for income taxes | 25,963 | 25,676
Net income | $ 69,832 | $ 72,401
Earnings per share: |  |
Basic (in dollars per share) | $ 1.29 | $ 1.34
Diluted (in dollars per share) | $ 1.29 | $ 1.33
Shares used to compute earnings per share - Basic (in shares) | 53,930 | 54,076
Shares used to compute earnings per share - Diluted (in shares) | 54,213 | 54,404
Service revenues |  |
Revenues: |  |
Total revenues | $ 1,151,858 | $ 1,053,233
Cost of revenues: (exclusive of items shown separately below) |  |
Total cost of revenues | 816,349 | 751,595
Product revenues |  |
Revenues: |  |
Total revenues | 224,837 | 254,154
Cost of revenues: (exclusive of items shown separately below) |  |
Total cost of revenues | $ 154,721 | $ 179,919

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