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v3.21.2

UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Revenues: |  |  |  |
Total revenues | $ 951,479 | $ 779,344 | $ 2,686,085 | $ 2,347,907
Cost of revenues: (exclusive of items shown separately below) |  |  |  |
Total cost of revenues | 639,232 | 511,629 | 1,817,654 | 1,588,976
Selling, general and administrative expenses | 133,164 | 106,544 | 378,911 | 339,690
Accretion of environmental liabilities | 2,799 | 2,822 | 8,625 | 8,149
Depreciation and amortization | 71,451 | 74,470 | 215,206 | 221,497
Income from operations | 104,833 | 83,879 | 265,689 | 189,595
Other income (expense), net | 199 | 2,268 | (2,509) | (597)
Loss on sale of businesses | 0 | (118) | 0 | (3,376)
Interest expense, net of interest income of $653, $1,236, $1,712 and $2,902, respectively | (17,984) | (17,407) | (53,953) | (54,848)
Income before provision for income taxes | 87,048 | 68,622 | 209,227 | 130,774
Provision for income taxes | 21,605 | 13,712 | 54,973 | 35,269
Net income | $ 65,443 | $ 54,910 | $ 154,254 | $ 95,505
Earnings Per Share [Abstract] |  |  |  |
Basic (in dollars per share) | $ 1.20 | $ 0.99 | $ 2.83 | $ 1.72
Diluted (in dollars per share) | $ 1.20 | $ 0.99 | $ 2.81 | $ 1.71
Shares used to compute earnings per share - Basic (in shares) | 54,411 | 55,592 | 54,553 | 55,646
Shares used to compute earnings per share - Diluted (in shares) | 54,707 | 55,738 | 54,862 | 55,832
Service revenues |  |  |  |
Revenues: |  |  |  |
Total revenues | $ 744,549 | $ 681,306 | $ 2,141,820 | $ 2,039,012
Cost of revenues: (exclusive of items shown separately below) |  |  |  |
Total cost of revenues | 508,498 | 428,735 | 1,451,498 | 1,332,516
Product revenues |  |  |  |
Revenues: |  |  |  |
Total revenues | 206,930 | 98,038 | 544,265 | 308,895
Cost of revenues: (exclusive of items shown separately below) |  |  |  |
Total cost of revenues | $ 130,734 | $ 82,894 | $ 366,156 | $ 256,460

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