Other Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2024

Retirement Benefits [Abstract]

Schedule of Multiemployer Pension Plans

Details of significant multiemployer pension plans as of and for the periods indicated, based upon information available to the Company from plan administrators, as well as publicly available information on the U.S. Department of Labor website, are provided in the following table:

			Contributions (in millions) For the Years Ended December 31,							Pension Protection Act Zone Status
Multiemployer Pension Plan	Employer Identification Number	Plan Number	2024		2023		2022		Expiration Date of CBA	2024	As of		2023	As of		FIP/RP Status	Surcharge
National Electrical Benefit Fund	530181657	001	$	24.1	$	18.3	$	17.7	Varies through 6/3/2029	Green	12/31/2023	(a)	Green	12/31/2022	(a)	NA	No
Central Pension Fund of the IUOE & Participating Employers	366052390	001	16.8		19.2		8.1		Varies through 6/30/2027	Green	1/31/2024	(a)	Green	1/31/2023	—	NA	No
IBEW Local 456 Pension Plan	226238995	001	3.9		3.1		3.2		11/29/2025	Green	12/31/2023	(a)	Green	12/31/2022	(a)	NA	No
Pipeline Industry Pension Fund	736146433	001	3.8		6.0		2.3		Varies through 10/31/2026	Green	12/31/2023	(a)	Green	12/31/2022	(a)	NA	No
Laborers' District Council of Virginia Pension Trust Fund	546117299	001	3.6		2.9		0.1		5/31/2026	Green	12/31/2023	—	Green	12/31/2022	—	NA	No
Heavy & General Laborers' Local Unions 472 and 172 of New Jersey Pension Fund	226032103	001	3.5		3.7		3.7		Varies through 2/28/2027	Green	3/31/2024	(a)	Green	3/31/2023	(a)	NA	No
Local Union No. 9 IBEW and Outside Contractors Pension Fund	516077720	001	3.5		7.2		9.3		Varies through 5/31/2026	Green	10/31/2023	(a)	Green	10/31/2022	(a)	NA	No
IBEW Local 1249 Pension Plan	156035161	001	3.2		3.4		3.3		Varies through 12/31/2025	Green	12/31/2023	—	Green	12/31/2022	—	NA	No
Central Laborers' Pension Fund	376052379	001	3.0		2.3		1.3		Varies through 6/30/2027	Yellow	12/31/2023	(b)	Yellow	12/31/2022	(b)	Implemented	No
Teamsters National Pipe Line Pension Plan	461102851	001	2.9		3.9		1.5		Varies through 6/30/2026	Green	12/31/2023	(a)	Green	12/31/2022	(a)	NA	No
Construction Laborers Pension Trust for Southern California	436159056	001	2.6		2.9		3.4		Varies through 5/31/2028	Green	12/31/2023	(a)	Green	12/31/2022	(a)	NA	No
West Virginia Laborers' Pension Trust Fund	556026775	001	2.1		3.2		0.9		5/31/2026	Green	3/31/2024	(a)	Green	3/31/2023	—	NA	No
Chicago & Vicinity Laborers' District Council Pension Plan	362514514	002	2.0		1.4		2.5		Varies through 6/30/2027	Green	5/31/2023	—	Green	5/31/2022	—	NA	No
Midwest Operating Engineers Pension Trust Fund	366140097	001	1.7		2.7		2.1		Varies through 5/31/2027	Green	3/31/2024	—	Green	3/31/2023	—	NA	No
IUOE Local 132 Pension Fund	556015364	001	1.6		3.6		0.7		Varies through 3/31/2029	Green	3/31/2024	(a)	Green	3/31/2023	—	NA	No
Laborers' National Pension Fund	751280827	001	1.6		1.6		0.6		Varies through 5/31/2026	Red	12/31/2023	—	Red	12/31/2022	—	Implemented	No
San Diego County Construction Laborers' Pension Trust Fund	956090541	001	1.3		1.4		1.5		6/30/2026	Green	8/31/2023	(a)	Green	8/31/2022	—	NA	No
Carpenters Pension Fund of Illinois	366147396	001	1.3		0.9		0.2		4/30/2025	Green	12/31/2023	—	Green	12/31/2022	—	NA	No
Laborers' Local Union No. 158 Pension Plan	236580323	001	1.1		1.2		1.5		Varies through 5/31/2027	Green	12/31/2023	(a)	Green	12/31/2022	(a)	NA	No
Employer - Teamsters Local Nos. 175 & 505 Pension Trust Fund	556021850	001	0.9		1.8		0.5		5/31/2026	Red	12/31/2023	—	Red	12/31/2022	(b)	Implemented	No
IBEW Local 769 Management Pension Plan A	866049763	001	0.5		4.0		0.6		Varies through 8/4/2026	Green	6/30/2023	(a)	Green	6/30/2022	(a)	NA	No
Other funds			23.6		23.7		24.0
Total multiemployer pension plan contributions			$	108.6	$	118.4	$	89.0

(a)The Company’s contributions to this plan represent greater than 5% of the plan’s total contributions.

(b)This plan has utilized extended amortization provisions, which provide plans with extensions of time to amortize pension funding shortfalls.

Schedule of Covered Employees and Contributions, Multiemployer Plans

Total contributions to multiemployer plans and the related number of employees covered by these plans for the periods indicated were as follows:

	Multiemployer Plans
	Covered Employees		Contributions (in millions)
For the Years Ended December 31:	Low	High	Pension		Other Multiemployer		Total
2024	6,960	9,448	$	108.6	$	41.8	$	150.4
2023	6,806	11,025	$	118.4	$	59.1	$	177.5
2022	6,601	7,136	$	89.0	$	56.3	$	145.3