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Financial Instruments and Fair Value Measurements - Additional Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2022 | Mar. 31, 2021 | Sep. 30, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Impairment of property, plant and equipment | $ 0 | $ 0 | $ 10,000,000.0 |
Trade receivables, net | $ 15,200,000 | $ 15,200,000 |  | $ 150,600,000
Customer Concentration Risk | Revenues | Customer one, customer two and customer three |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Concentration risk percentage | 43.60% |  |  |
Customer Concentration Risk | Revenues | Customer one and customer two |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Concentration risk percentage |  | 31.20% |  |
Construction in progress |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Impairment of property, plant and equipment |  |  | $ 10,000,000 |

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