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Revenue Recognition - Summary of Contract Assets and Liabilities (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Sep. 30, 2022
Revenue from Contract with Customer [Abstract] |  |
Accounts receivable, net | $ 283,315 | $ 243,593
Contract assets, net | 275,262 | 176,093
Contract liabilities | 22,963 | 18,588
Non-current contract liabilities | 22,721 | $ 23,203
Change ($) |  |
Accounts receivable, net | 39,722 |
Contract assets, net | 99,169 |
Contract liabilities - current | 4,375 |
Contract liabilities - non-current | $ (482) |
Change (%) |  |
Accounts receivable, net | 16.00% |
Contract assets, net | 56.00% |
Contract liabilities - current | 24.00% |
Contract liabilities - non-current | (2.00%) |

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