RETIREMENT BENEFITS (Tables)

12 Months Ended

Dec. 31, 2023

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

The following table presents our participation in these plans:


Pension Trust Fund	Pension Plan Employer Identification Number	Plan Year End	Pension Protection Act (“PPA”) Certified Zone Status (1)		FIP / RP Status Pending/Implemented (2)	Contributions (3)						Surcharge Imposed	Expiration Date of Collective Bargaining Agreement
			2023	2022		2023		2022		2021
Heavy and General Construction Laborers Local 472 and Local 172 (4)	22-6032103	3/31	Green	Green	No	$	4,324	$	5,119	$	3,343	No	2/29/2024
International Union of Operating Engineers Local 825 (4)	22-6033380	6/30	Green	Yellow	No	2,789		4,381		2,734		No	6/30/2024
Pension Trust Fund for Operating Engineers	94-6090764	12/31	Yellow	Yellow	Yes	2,288		1,265		1,411		No	Various dates through 2026
All other funds						3,266		2,163		2,397
				Total Contributions:		$	12,667	$	12,928	$	9,885

(1) The PPA zone status represents the most recent available information for the respective plan, which may be 2022 or earlier for the 2023 year and 2021 or earlier for the 2022 year. The zone status is based on information that we received from the plan and is certified by the plan’s actuary. Among other factors, plans in the red zone are generally less than 65 percent funded, plans in the orange zone are less than 80 percent funded and have an Accumulated Funding Deficiency in the current year or projected into the next six years, plans in the yellow zone are less than 80 percent funded and plans in the green zone are at least 80 percent funded.

(2) Indicates whether the plan has a financial improvement plan (“FIP”) or a rehabilitation plan (“RP”) which is either pending or has been implemented.

(3) Our 2023 contributions as a percentage of total plan contributions were not available for any of our plans. For 2022, Heavy and General Construction Laborers Local 472 and Local 172 represented more than 5% of the total plan contributions, Pension Trust Fund for Operating Engineers Pension Plan did not represent more than 5% of the total plan contributions and the International Union of Operating Engineers Local 825 annual report was not available. For 2021, our multi-employer pension plan contributions did not represent more than 5% of the total plan contributions.

(4) Includes multi-employer pension plans acquired as part of the Petillo acquisition. The contributions made in 2022 and 2021 were made by Petillo and not by Sterling.