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Other Retirement Plans (Tables)
12 Months Ended
Dec. 31, 2021
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 PlanEmployer Identification NumberPlan Number202120202019Expiration Date of CBA2021As of2020As ofFIP/RP StatusSurcharge
National Electrical Benefit Fund530181657001$5.9 $1.6 $1.2 
Varies through 5/31/2026
Green12/31/2020Green12/31/2019NANo
IBEW Local 1249 Pension Plan1560351610011.4 3.7 3.2 5/4/2025Green12/31/2020Green12/31/2019NANo
Local Union 9 IBEW and Outside Contractors Pension Fund5160777200014.7 0.0 0.0 5/31/2025Green10/31/2020(a)Green10/31/2019(a)NANo
Central Pension Fund of the IUOE & Participating Employers36605239000127.4 5.6 12.6 
Varies through 5/31/2027
Green1/31/2021Green1/31/2020NANo
Laborers' District Council of Western Pennsylvania Pension Fund2561355760013.1 1.8 1.9 5/31/2023Yellow12/31/2020Yellow12/31/2019ImplementedNo
Central Laborers' Pension Fund3760523790011.3 0.8 1.3 
Varies through 5/31/2023
Yellow12/31/2020(b)Yellow12/31/2019(b)ImplementedNo
Pipeline Industry Pension Fund73614643300110.9 2.6 9.6 5/31/2023Green12/31/2020Green12/31/2019(a)NANo
Laborers' National Pension Fund7512808270013.8 0.8 3.0 
Varies through 5/31/2023
Red12/31/2020Red12/31/2019ImplementedNo
Teamsters National Pipeline Pension Fund4611028510016.2 1.8 4.5 5/31/2023Green12/31/2020(a)Green12/31/2019(a)NANo
Michigan Laborers' Pension Plan3862339760011.6 0.4 1.1 5/31/2023Yellow8/31/2021Yellow8/31/2020(b)ImplementedNo
West Virginia Laborers' Pension Trust Fund5560267750012.5 1.4 4.9 5/31/2023Green3/31/2021(a)Green3/31/2020(a)NANo
Minnesota Laborers' Pension Fund4161595990015.1 0.8 0.8 5/31/2023Green12/31/2020Green12/31/2019NANo
International Union of Operating Engineers Local 132 Pension Fund5560153640011.4 1.2 5.0 5/31/2023Green3/31/2021(a)Green3/31/2020(a)NANo
Employer- Teamsters Local Nos. 175 & 505 Pension Trust Fund5560218500010.6 0.6 1.7 5/31/2023Red12/31/2020(a), (b)Red12/31/2019(a), (b)ImplementedNo
Minnesota Teamsters Construction Division Pension Fund4161877510013.1 0.2 0.0 5/31/2023Green11/30/2020Green11/30/2019NANo
Other funds15.0 6.7 16.1 
Total multiemployer pension plan contributions$94.0 $30.0 $66.9 
(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:LowHighPensionOther MultiemployerTotal
20212,412 6,979 $94.0 $34.1 $128.1 
20201,119 2,412 $30.0 $7.5 $37.5 
20191,119 5,349 $66.9 $5.7 $72.6