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Business Transactions - Dispositions (Details) hp in Thousands, $ in Thousands |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Jul. 09, 2020 USD ($) | Mar. 01, 2020 CompressorUnit hp | Sep. 30, 2020 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Gain on disposition |  |  |  | $ 12,475 | $ 0
Disposed of by Sale, Not Discontinued Operations | July 2020 Disposition |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Disposal Group, Not Discontinued Operation, Name of Segment [Extensible List] | Aftermarket Services Segment [Member] |  |  |  |
Cash consideration received upon closing | $ 9,500 |  |  |  |
Cash consideration receivable on first anniversary | 3,000 |  |  |  |
Amount of consideration receivable as credit for purchases | $ 3,500 |  |  |  |
Gain on disposition |  |  | $ 9,300 | 9,300 |
Disposed of by Sale, Not Discontinued Operations | March 2020 Disposition |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Number of compressors | CompressorUnit |  | 200 |  |  |
Compressor units horsepower (horsepower) | hp |  | 35 |  |  |
Gain on disposition |  |  |  | $ 3,200 |
Turbocharger goods and services | July 2020 Disposition |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Term of supply agreement | 2 years |  |  |  |

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