| Summarized financial information concerning reportable segments |
Summarized financial information concerning our reportable segments for the three and six months ended June 30, 2018 and 2017 follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Gross
Revenue | | Intercompany
Revenue | | Net
Revenue | | Depreciation,
Amortization,
Depletion and
Accretion | | Operating
Income
(Loss) | | Capital
Expenditures | | Total Assets | Three Months Ended June 30, 2018 | | | | | | | | | | | Group 1 | $ | 1,444.5 |
| | $ | (251.2 | ) | | $ | 1,193.3 |
| | $ | 117.8 |
| | $ | 275.2 |
| | $ | 109.6 |
| | $ | 10,829.9 |
| Group 2 | 1,509.2 |
| | (224.0 | ) | | 1,285.2 |
| | 128.4 |
| | 225.3 |
| | 165.3 |
| | 8,925.4 |
| Corporate entities | 43.3 |
| | (4.0 | ) | | 39.3 |
| | 29.5 |
| | (92.3 | ) | | 26.1 |
| | 1,448.4 |
| Total | $ | 2,997.0 |
| | $ | (479.2 | ) | | $ | 2,517.8 |
| | $ | 275.7 |
| | $ | 408.2 |
| | $ | 301.0 |
| | $ | 21,203.7 |
| Three Months Ended June 30, 2017 | | | | | | | | | | | Group 1 | $ | 1,500.7 |
| | $ | (277.2 | ) | | $ | 1,223.5 |
| | $ | 119.9 |
| | $ | 286.2 |
| | $ | 133.4 |
| | $ | 10,616.1 |
| Group 2 | 1,489.8 |
| | (243.4 | ) | | 1,246.4 |
| | 127.9 |
| | 239.6 |
| | 101.2 |
| | 8,590.1 |
| Corporate entities | 60.5 |
| | (3.7 | ) | | 56.8 |
| | 30.4 |
| | (100.3 | ) | | 39.1 |
| | 1,554.9 |
| Total | $ | 3,051.0 |
| | $ | (524.3 | ) | | $ | 2,526.7 |
| | $ | 278.2 |
| | $ | 425.5 |
| | $ | 273.7 |
| | $ | 20,761.1 |
|
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Gross Revenue | | Intercompany Revenue | | Net Revenue | | Depreciation, Amortization, Depletion and Accretion | | Operating Income (Loss) | | Capital Expenditures | | Total Assets | Six Months Ended June 30, 2018 | | | | | | | | | | | Group 1 | $ | 2,863.2 |
| | $ | (490.1 | ) | | $ | 2,373.1 |
| | $ | 246.9 |
| | $ | 553.1 |
| | $ | 183.6 |
| | $ | 10,829.9 |
| Group 2 | 2,915.6 |
| | (422.3 | ) | | 2,493.3 |
| | 253.3 |
| | 434.9 |
| | 250.2 |
| | 8,925.4 |
| Corporate entities | 86.5 |
| | (7.7 | ) | | 78.8 |
| | 59.0 |
| | (175.6 | ) | | 108.3 |
| | 1,448.4 |
| Total | $ | 5,865.3 |
| | $ | (920.1 | ) | | $ | 4,945.2 |
| | $ | 559.2 |
| | $ | 812.4 |
| | $ | 542.1 |
| | $ | 21,203.7 |
| Six Months Ended June 30, 2017 | | | | | | | | | | | Group 1 | $ | 2,931.8 |
| | $ | (544.3 | ) | | $ | 2,387.5 |
| | $ | 235.3 |
| | $ | 547.4 |
| | $ | 227.7 |
| | $ | 10,616.1 |
| Group 2 | 2,885.9 |
| | (462.7 | ) | | 2,423.2 |
| | 251.9 |
| | 465.0 |
| | 164.0 |
| | 8,590.1 |
| Corporate entities | 115.6 |
| | (6.8 | ) | | 108.8 |
| | 60.9 |
| | (198.7 | ) | | 105.8 |
| | 1,554.9 |
| Total | $ | 5,933.3 |
| | $ | (1,013.8 | ) | | $ | 4,919.5 |
| | $ | 548.1 |
| | $ | 813.7 |
| | $ | 497.5 |
| | $ | 20,761.1 |
|
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