Revenue - Contract assets (Details) - USD ($) $ in Thousands |
12 Months Ended | |
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Dec. 31, 2019 |
Dec. 31, 2018 |
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Revenue | ||
Unbilled revenue | $ 251,429 | $ 249,577 |
Retention receivable | 81,393 | 88,953 |
Contract materials (not yet installed) | 11,984 | 25,715 |
Contract assets | 344,806 | $ 364,245 |
Increase (decrease) in contract assets | $ 19,400 |
X | ||||||||||
- Definition Amount of increase (decrease) in contract with customer asset net current. No definition available.
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X | ||||||||||
- Definition Amount billed to customers under long-term contracts or programs that have been withheld because of retainage provisions in a contract. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X | ||||||||||
- Definition Amount before valuation and LIFO reserves, and progress payments, of inventory associated with long-term contracts, expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- References No definition available.
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X | ||||||||||
- Definition Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer. No definition available.
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