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Expected length of time within which a fixed price contract accounted for under the percentage-of-completion method is completed, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Expected length of time within which an unapproved change order is approved by the customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of revenue earned from products sold or services provided under the terms of a contract, including, but not limited to, government contracts and construction contracts, classified as other.

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Losses recognized in the current period on contracts which are expected to generate losses, which are probable and can be reasonably estimated, in a future period.

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A description of contract modifications that have been requested by the client and upon which costs have been incurred. This element may also include a statement on the enterprise's policy for accounting for costs and revenue on unapproved change orders.

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Amount of unbilled change orders from customers under long-term contracts or programs associated with unpriced change orders or other similar items subject to uncertainty concerning their determination or ultimate realization which is expected to be collected within one year from the balance sheet date.

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