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Business Transactions (Details) hp in Thousands, $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended | 15 Months Ended
--- | --- | --- | --- | ---
Jul. 31, 2021 USD ($) CompressorUnit | Jul. 30, 2021 USD ($) | Feb. 28, 2021 hp CompressorUnit | Jul. 31, 2020 USD ($) | Mar. 31, 2020 CompressorUnit hp | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($)
Transactions |  |  |  |  |  |  |  |  |  |
Gain on disposition |  |  |  |  |  |  |  | $ 18,945 | $ 12,475 |
Proceeds from sale |  |  |  |  |  |  |  | 24,683 | 14,043 |
Disposed of by Sale | July 2021 Dispositions |  |  |  |  |  |  |  |  |  |
Transactions |  |  |  |  |  |  |  |  |  |
Number of compressors | CompressorUnit | 575 |  |  |  |  |  |  |  |  |
Compressor units horsepower (horsepower) | 100 |  |  |  |  |  |  |  |  |
Cash consideration received |  |  |  |  |  | $ 60,300 |  | 60,300 |  |
Gain on disposition |  |  |  |  |  | $ 13,000 |  | 13,000 |  |
Consideration receivable | $ 1,300 |  |  |  |  |  |  |  |  |
Disposed of by Sale | February 2021 Disposition |  |  |  |  |  |  |  |  |  |
Transactions |  |  |  |  |  |  |  |  |  |
Number of compressors | CompressorUnit |  |  | 300 |  |  |  |  |  |  |
Compressor units horsepower (horsepower) | hp |  |  | 40 |  |  |  |  |  |  |
Gain on disposition |  |  |  |  |  |  |  | 6,000 |  |
Disposed of by Sale | July 2020 Disposition |  |  |  |  |  |  |  |  |  |
Transactions |  |  |  |  |  |  |  |  |  |
Disposal Group, Not Discontinued Operation, Name of Segment |  |  |  | Aftermarket Services |  |  |  |  |  |
Cash consideration received |  |  |  | $ 9,500 |  |  |  |  |  |
Cash consideration received on first anniversary of closing |  | $ 3,000 |  |  |  |  |  |  |  |
Amount of consideration receivable as credit for purchases |  |  |  | $ 3,500 |  |  |  |  |  |
Cash received under supply agreement |  |  |  |  |  |  |  | $ 2,500 |  | $ 3,200
Gain on disposition |  |  |  |  |  |  | $ 9,300 |  | 9,300 |
Disposed of by Sale | March 2020 Disposition |  |  |  |  |  |  |  |  |  |
Transactions |  |  |  |  |  |  |  |  |  |
Number of compressors | CompressorUnit |  |  |  |  | 200 |  |  |  |  |
Compressor units horsepower (horsepower) | hp |  |  |  |  | 35 |  |  |  |  |
Gain on disposition |  |  |  |  |  |  |  |  | $ 3,200 |
Turbocharger goods and services | July 2020 Disposition |  |  |  |  |  |  |  |  |  |
Transactions |  |  |  |  |  |  |  |  |  |
Term of supply agreement |  |  |  | 2 years |  |  |  |  |  |

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