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Contract Assets and Liabilities (Schedule of Contract Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Costs and estimated earnings in excess of billings:
Claims	$ 428,093	$ 451,770
Unapproved change orders	430,687	393,803
Other unbilled costs and profits	88,759	96,949
Total costs and estimated earnings in excess of billings	947,539	942,522
Billings in excess of costs and estimated earnings	$ 1,375,597	$ 1,216,623

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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.

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