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v3.21.2

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Income Statement [Abstract] |  |  |  |
Revenues | $ 401,666 | $ 400,038 | $ 716,982 | $ 696,726
Cost of revenues | (345,419) | (340,439) | (615,703) | (601,882)
Gross profit | 56,247 | 59,599 | 101,279 | 94,844
General and administrative expense | (15,829) | (18,451) | (32,928) | (36,055)
Intangible asset amortization | (2,866) | (2,866) | (5,732) | (5,703)
Acquisition related costs | 0 | (139) | 0 | (612)
Other operating expense, net | (4,832) | (5,097) | (7,144) | (7,325)
Operating income | 32,720 | 33,046 | 55,475 | 45,149
Interest income | 12 | 24 | 26 | 123
Interest expense | (5,737) | (7,557) | (11,741) | (15,360)
Gain on extinguishment of debt, net | 1,401 | 0 | 1,064 | 0
Income before income taxes | 28,396 | 25,513 | 44,824 | 29,912
Income tax expense | (8,179) | (7,248) | (12,939) | (8,432)
Net income | 20,217 | 18,265 | 31,885 | 21,480
Less: Net income attributable to noncontrolling interests | (161) | (55) | (1,274) | (155)
Net income attributable to Sterling common stockholders | $ 20,056 | $ 18,210 | $ 30,611 | $ 21,325
Net income per share attributable to Sterling common stockholders: |  |  |  |
Basic (in dollars per share) | $ 0.70 | $ 0.65 | $ 1.08 | $ 0.77
Diluted (in dollars per share) | $ 0.69 | $ 0.65 | $ 1.06 | $ 0.76
Weighted average common shares outstanding: |  |  |  |
Basic (in shares) | 28,582 | 27,941 | 28,433 | 27,794
Diluted (in shares) | 29,054 | 27,957 | 28,878 | 27,887

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