REVENUE FROM CUSTOMERS - Schedule of Backlog by Segment (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Disaggregation of Revenue [Line Items]
Total RPOs	$ 4,233,618	$ 3,010,942
E-Infrastructure Solutions RPOs
Disaggregation of Revenue [Line Items]
Total RPOs	3,210,035	1,843,536
Transportation Solutions RPOs
Disaggregation of Revenue [Line Items]
Total RPOs	968,675	1,124,429
Building Solutions RPOs - Commercial
Disaggregation of Revenue [Line Items]
Total RPOs	$ 54,908	$ 42,977

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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+ Details