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Discontinued Operations (Narratives) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Apr. 11, 2017 | Apr. 04, 2017 | Dec. 31, 2016
Discontinued Operations |  |  |  |  |  |  |
Unrecognized tax benefits | $ 21,100,000 |  | $ 21,100,000 |  |  |  | $ 9,700,000
Selling, general and administrative | 29,108,000 | $ 25,448,000 | 81,823,000 | $ 87,745,000 |  |  |
Exterran Corporation |  |  |  |  |  |  |
Discontinued Operations |  |  |  |  |  |  |
Unrecognized tax benefits | 6,400,000 |  | 6,400,000 |  |  |  |
Indemnification asset | 6,400,000 |  | 6,400,000 |  |  |  |
Spinoff | Exterran Corporation |  |  |  |  |  |  |
Discontinued Operations |  |  |  |  |  |  |
Other income |  |  |  | 500,000 |  |  |
Selling, general and administrative |  |  |  | 900,000 |  |  |
Compression units acquired |  |  | 115,300,000 | 47,200,000 |  |  |
Event III |  |  |  |  |  |  |
Discontinued Operations |  |  |  |  |  |  |
Separation and distribution agreement, receivable from sale of nationalized assets, maximum | $ 25,000,000 |  | 25,000,000 |  | $ 25,000,000.0 |  |
Exterran Corporation |  |  |  |  |  |  |
Discontinued Operations |  |  |  |  |  |  |
Proceeds from sale of expropriated assets installment payment |  |  | 19,700,000 | $ 49,200,000 |  |  |
Scheduled installment payments |  |  | $ 20,900,000 |  |  |  |
Exterran Corporation | Senior Notes |  |  |  |  |  |  |
Discontinued Operations |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  | 8.125% |

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