REVENUE RECOGNITION AND RELATED BALANCE SHEET ACCOUNTS - Additional Information (Details) $ in Millions		12 Months Ended
Dec. 31, 2025 USD ($) pool	Dec. 31, 2025 USD ($) pool	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Revenue Recognition [Line Items]
Revenues recognized, related to change orders and claims	$ 983.6	$ 983.6	$ 733.6
Change in contract estimates, favorable (unfavorable) impact on revenue, percent		0.20%	0.20%	0.40%
Percent of total revenues recognized associated with revenue recognition method		63.80%	60.00%	56.50%
Revenue recognized related to amounts in contract liabilities outstanding at the beginning of period		$ 1,980.0	$ 1,420.0	$ 1,040.0
Number of risk pools \| pool	2	2
Current retainage balances	$ 994.1	$ 994.1	666.5
Non-current retainage balances	228.7	228.7	143.6
Unbilled receivables	$ 1,100.0	1,100.0	859.9
Financial Instruments \| Credit Concentration Risk \| Secondary Pool
Revenue Recognition [Line Items]
Concentration risk (in percent)	8.00%
Accounts payable and accrued expenses
Revenue Recognition [Line Items]
Unearned revenues	$ 121.0	$ 121.0	$ 97.9

Contract With Customer, Cumulative Catch-Up Adjustment, Revenue, Change In Estimate, Percent

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Contract With Customer, Liability, Deferred Revenues, Current

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Contract With Customer, Revenue Recognized, Related To Unapproved Change Orders And Claims

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Number Of Risk Pools

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Revenue From Contract With Customer, Percentage Of Revenue Recognized Over Time

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Revenue recognition.

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- Definition

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 recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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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 to consideration is unconditional, classified as current.

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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 to consideration is unconditional, classified as noncurrent.

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- Definition

Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet.

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