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Other Retirement Plans (Tables) | 12 Months Ended
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Dec. 31, 2020
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 | 2020 |  | 2019 |  | 2018 | Expiration Date of CBA | 2020 | As of |  | 2019 | As of |  | FIP/RP Status | Surcharge
Central Pension Fund of the IUOE & Participating Employers | 366052390 | 001 | $ | 5.6 |  |  | $ | 12.6 |  |  | $ | 20.4 |  | 5/31/2023 | Green | 1/31/2020 |  | Green | 1/31/2019 |  | NA | No
IBEW Local 1249 Pension Plan | 156035161 | 001 | 3.7 |  |  | 3.2 |  |  | 2.2 |  | 5/2/2021 | Green | 12/31/2019 |  | Green | 12/31/2018 |  | NA | No
Pipeline Industry Pension Fund | 736146433 | 001 | 2.6 |  |  | 9.6 |  |  | 20.7 |  | 5/31/2023 | Green | 12/31/2019 | (a) | Green | 12/31/2018 | (a) | NA | No
Teamsters National Pipe Line Pension Plan | 461102851 | 001 | 1.8 |  |  | 4.5 |  |  | 7.4 |  | 5/31/2023 | Green | 12/31/2019 | (a) | Green | 12/31/2018 | (a) | NA | No
Laborers' District Council of Western Pennsylvania Pension Fund | 256135576 | 001 | 1.8 |  |  | 1.9 |  |  | 1.4 |  | 5/31/2023 | Yellow | 12/31/2019 |  | Yellow | 12/31/2018 |  | Implemented | No
National Electrical Benefit Fund | 530181657 | 001 | 1.6 |  |  | 1.2 |  |  | 1.4 |  | Varies through 12/31/2023 | Green | 12/31/2019 |  | Green | 12/31/2018 |  | NA | No
West Virginia Laborers' Pension Trust Fund | 556026775 | 001 | 1.4 |  |  | 4.9 |  |  | 4.5 |  | 5/31/2023 | Green | 3/31/2020 | (a) | Green | 3/31/2019 | (a) | NA | No
International Union of Operating Engineers Local 132 Pension Fund | 556015364 | 001 | 1.2 |  |  | 5.0 |  |  | 5.6 |  | 5/31/2023 | Green | 3/31/2020 | (a) | Green | 3/31/2019 | (a) | NA | No
Midwest Operating Engineers Pension Trust Fund | 366140097 | 001 | 1.1 |  |  | 1.8 |  |  | 1.5 |  | 5/31/2023 | Green | 3/31/2020 | (b) | Yellow | 3/31/2019 | (b) | NA | No
Laborers' Local Union No. 158 Pension Plan | 236580323 | 001 | 0.9 |  |  | 1.5 |  |  | 1.5 |  | 5/31/2023 | Green | 12/31/2019 | (a) | Green | 12/31/2018 | (a) | NA | No
Central Laborers' Pension Fund | 376052379 | 001 | 0.8 |  |  | 1.3 |  |  | 0.9 |  | 5/31/2023 | Yellow | 12/31/2019 | (b) | Yellow | 12/31/2018 | (b) | Implemented | No
Laborers' National Pension Fund | 751280827 | 001 | 0.8 |  |  | 3.0 |  |  | 4.1 |  | 5/31/2023 | Red | 12/31/2019 |  | Red | 12/31/2018 | (a) | Implemented | No
Employer - Teamsters Local Nos. 175 & 505 Pension Trust Fund | 556021850 | 001 | 0.6 |  |  | 1.7 |  |  | 1.5 |  | 5/31/2023 | Red | 12/31/2019 | (a), (b) | Red | 12/31/2018 | (a), (b) | Implemented | No
Laborers District Council & Contractors Pension Fund of Ohio | 316129964 | 001 | 0.4 |  |  | 1.4 |  |  | 1.8 |  | 5/31/2023 | Green | 12/31/2019 |  | Green | 12/31/2018 |  | NA | No
Michigan Laborers' Pension Plan | 386233976 | 001 | 0.4 |  |  | 1.1 |  |  | 1.5 |  | 5/31/2023 | Yellow | 8/31/2020 |  | Yellow | 8/31/2019 | (b) | Implemented | No
Laborers' Pension Fund of Roanoke, Virginia | 546111015 | 001 | 0.3 |  |  | 1.5 |  |  | 2.5 |  | 5/31/2023 | Green | 9/30/2019 | (a) | Green | 9/30/2018 | (a) | NA | No
Other funds |  |  | 5.0 |  |  | 10.7 |  |  | 13.5 |  |  |  |  |  |  |  |  |  |
Total multiemployer pension plan contributions |  |  | $ | 30.0 |  |  | $ | 66.9 |  |  | $ | 92.4 |  |  |  |  |  |  |  |  |  |
(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 were as follows:
| Multiemployer Plans
| Covered Employees |  | Contributions (in millions)
For the Years Ended December 31: | Low |  | High |  | Pension |  | Other Multiemployer |  | Total
2020 | 1,119 |  |  | 2,412 |  |  | $ | 30.0 |  |  | $ | 7.5 |  |  | $ | 37.5 |
2019 | 1,119 |  |  | 5,349 |  |  | $ | 66.9 |  |  | $ | 5.7 |  |  | $ | 72.6 |
2018 | 1,626 |  |  | 6,336 |  |  | $ | 92.4 |  |  | $ | 7.3 |  |  | $ | 99.7 |

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