| **Segment Data - Disaggregated Revenues, Geographic (Details) - USD ($) $ in Thousands** | 3 Months Ended | 9 Months Ended |
|------------------------------------------------------------------------------------------|----------------|----------------|
||
| **Disaggregation of Revenue [Line Items]**                                               |           |           |   |   |
| Total revenues                                                                           | $ 198,498      | $ 219,853      | $ 581,784 | $ 590,435 |
| Fluids Systems                                                                           |           |           |   |   |
| **Disaggregation of Revenue [Line Items]**                                               |           |           |   |   |
| Total revenues                                                                           | 141,236        | 168,621        | 420,591 | 454,896 |
| Fluids Systems | Total North America                                                     |           |           |   |   |
| **Disaggregation of Revenue [Line Items]**                                               |           |           |   |   |
| Total revenues                                                                           | 67,089         | 113,883        | 225,706 | 303,660 |
| Fluids Systems | United States                                                           |           |           |   |   |
| **Disaggregation of Revenue [Line Items]**                                               |           |           |   |   |
| Total revenues                                                                           | 49,685         | 98,431         | 178,538 | 254,629 |
| Fluids Systems | Canada                                                                  |           |           |   |   |
| **Disaggregation of Revenue [Line Items]**                                               |           |           |   |   |
| Total revenues                                                                           | 17,404         | 15,452         | 47,168 | 49,031 |
| Fluids Systems | Total International                                                     |           |           |   |   |
| **Disaggregation of Revenue [Line Items]**                                               |           |           |   |   |
| Total revenues                                                                           | 74,147         | 54,738         | 194,885 | 151,236 |
| Fluids Systems | EMEA                                                                    |           |           |   |   |
| **Disaggregation of Revenue [Line Items]**                                               |           |           |   |   |
| Total revenues                                                                           | 68,274         | 47,633         | 181,764 | 134,678 |
| Fluids Systems | Other                                                                   |           |           |   |   |
| **Disaggregation of Revenue [Line Items]**                                               |           |           |   |   |
| Total revenues                                                                           | $ 5,873        | $ 7,105        | $ 13,121 | $ 16,558 |

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.
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