| Line | Label | Object Class | Period Type | Balance | Name |
| 1 | Billings in Excess of Cost [Roll Up] | us-gaap:BillingsInExcessOfCostAbstract | |||
| 2 | Billings in Excess of Cost, Current | [Concept] Monetary | As Of | Credit | us-gaap:BillingsInExcessOfCostCurrent |
| 3 | Billings in Excess of Cost, Noncurrent | [Concept] Monetary | As Of | Credit | us-gaap:BillingsInExcessOfCostNoncurrent |
| 4 | Billings in Excess of Cost, Total | [Concept] Monetary | As Of | Credit | us-gaap:BillingsInExcessOfCost |