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Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Income Statement [Abstract] |  |  |  |
Revenues | $ 577,070 | $ 548,350 | $ 1,127,684 | $ 1,058,535
Operating expenses | 438,445 | 416,837 | 853,152 | 805,343
Depreciation and amortization | 31,866 | 28,652 | 60,815 | 57,103
General and administrative expenses | 52,206 | 36,904 | 94,792 | 70,965
Operating income | 54,553 | 65,957 | 118,925 | 125,124
Interest income | 12,346 | 5,902 | 24,323 | 10,459
Interest expense | (35,983) | (31,089) | (70,983) | (60,455)
Loss on extinguishment of debt | 0 | (15,866) | 0 | (15,866)
Income before income taxes and equity in earnings of affiliates | 30,916 | 24,904 | 72,265 | 59,262
Provision for income taxes | 1,400 | 3,879 | 3,870 | 7,030
Equity in earnings of affiliates, net of income tax provision of $597, $728, $1,208 and $1,199, respectively | 1,426 | 2,131 | 2,913 | 3,250
Net income | 30,942 | 23,156 | 71,308 | 55,482
Net loss attributable to noncontrolling interests | 50 | 53 | 87 | 77
Net income attributable to The GEO Group, Inc. | $ 30,992 | $ 23,209 | $ 71,395 | $ 55,559
Weighted-average common shares outstanding: |  |  |  |
Basic (in shares) | 122,125 | 111,066 | 117,885 | 110,940
Diluted (in shares) | 122,895 | 111,479 | 118,702 | 111,381
Basic: |  |  |  |
Income per common share attributable to The GEO Group, Inc. - basic (in dollars per share) | $ 0.25 | $ 0.21 | $ 0.61 | $ 0.50
Diluted: |  |  |  |
Income per common share attributable to The GEO Group, Inc. - diluted (in dollars per share) | 0.25 | 0.21 | 0.60 | 0.50
Dividends declared per share (in US dollars per share) | $ 0.47 | $ 0.43 | $ 0.94 | $ 0.87

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