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Contract Assets and Liabilities | 6 Months Ended
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Mar. 31, 2020
Revenue from Contract with Customer [Abstract] |
Contract Assets and Liabilities | Contract Assets and Liabilities Costs and estimated earnings compared to billings on uncompleted contracts at March 31, 2020 and September 30, 2019 consisted of the following (in thousands):
| March 31, 2020 |  | September 30, 2019
| (unaudited) |  |
Costs on uncompleted contracts | $ | 905,840 |  |  | $ | 900,880 |
Estimated earnings to date on uncompleted contracts | 114,593 |  |  | 123,256 |
| 1,020,433 |  |  | 1,024,136 |
Billings to date on uncompleted contracts | (1,033,872) |  |  | (1,043,221) |
Net billings in excess of costs and estimated earnings on uncompleted contracts | $ | (13,439) |  |  | $ | (19,085) |
Significant changes to balances of costs and estimated earnings in excess of billings (contract asset) and billings in excess of costs and estimated earnings (contract liability) on uncompleted contracts from September 30, 2019 to March 31, 2020 are presented below (in thousands):
| Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts |  | Billings in Excess of Costs and Estimated Earnings on Uncompleted Contracts |  | Net Billings in Excess of Costs and Estimated Earnings on Uncompleted Contracts
September 30, 2019 | $ | 12,030 |  |  | $ | (31,115) |  |  | $ | (19,085) |
Changes in revenue billed, contract price or cost estimates | 4,071 |  |  | 1,575 |  |  | 5,646 |
March 31, 2020 (unaudited) | $ | 16,101 |  |  | $ | (29,540) |  |  | $ | (13,439) |
At March 31, 2020, the Company had unsatisfied or partially unsatisfied performance obligations under construction project contracts representing approximately $515.4 million in aggregate transaction price. The Company expects to earn revenue as it satisfies its performance obligations under those contracts in the amount of approximately $322.7 million during the remainder of the fiscal year ending September 30, 2020 and $192.7 million thereafter.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 + Details
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