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 Plan

Employer Identification Number

Plan Number

2021

2020

2019

Expiration Date of CBA

2021

As of

2020

As of

FIP/RP Status

Surcharge

National Electrical Benefit Fund

530181657

001

$

5.9

$

1.6

$

1.2

Varies through 5/31/2026

Green

12/31/2020

Green

12/31/2019

NA

No

IBEW Local 1249 Pension Plan

156035161

001

1.4

3.7

3.2

5/4/2025

Green

12/31/2020

Green

12/31/2019

NA

No

Local Union 9 IBEW and Outside Contractors Pension Fund

516077720

001

4.7

0.0

0.0

5/31/2025

Green

10/31/2020

(a)

Green

10/31/2019

(a)

NA

No

Central Pension Fund of the IUOE & Participating Employers

366052390

001

27.4

5.6

12.6

Varies through 5/31/2027

Green

1/31/2021

Green

1/31/2020

NA

No

Laborers' District Council of Western Pennsylvania Pension Fund

256135576

001

3.1

1.8

1.9

5/31/2023

Yellow

12/31/2020

Yellow

12/31/2019

Implemented

No

Central Laborers' Pension Fund

376052379

001

1.3

0.8

1.3

Varies through 5/31/2023

Yellow

12/31/2020

(b)

Yellow

12/31/2019

(b)

Implemented

No

Pipeline Industry Pension Fund

736146433

001

10.9

2.6

9.6

5/31/2023

Green

12/31/2020

Green

12/31/2019

(a)

NA

No

Laborers' National Pension Fund

751280827

001

3.8

0.8

3.0

Varies through 5/31/2023

Red

12/31/2020

Red

12/31/2019

Implemented

No

Teamsters National Pipeline Pension Fund

461102851

001

6.2

1.8

4.5

5/31/2023

Green

12/31/2020

(a)

Green

12/31/2019

(a)

NA

No

Michigan Laborers' Pension Plan

386233976

001

1.6

0.4

1.1

5/31/2023

Yellow

8/31/2021

Yellow

8/31/2020

(b)

Implemented

No

West Virginia Laborers' Pension Trust Fund

556026775

001

2.5

1.4

4.9

5/31/2023

Green

3/31/2021

(a)

Green

3/31/2020

(a)

NA

No

Minnesota Laborers' Pension Fund

416159599

001

5.1

0.8

0.8

5/31/2023

Green

12/31/2020

Green

12/31/2019

NA

No

International Union of Operating Engineers Local 132 Pension Fund

556015364

001

1.4

1.2

5.0

5/31/2023

Green

3/31/2021

(a)

Green

3/31/2020

(a)

NA

No

Employer- Teamsters Local Nos. 175 & 505 Pension Trust Fund

556021850

001

0.6

0.6

1.7

5/31/2023

Red

12/31/2020

(a), (b)

Red

12/31/2019

(a), (b)

Implemented

No

Minnesota Teamsters Construction Division Pension Fund

416187751

001

3.1

0.2

0.0

5/31/2023

Green

11/30/2020

Green

11/30/2019

NA

No

Other funds

15.0

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:	Low	High	Pension		Other Multiemployer		Total
2021	2,412	6,979	$	94.0	$	34.1	$	128.1
2020	1,119	2,412	$	30.0	$	7.5	$	37.5
2019	1,119	5,349	$	66.9	$	5.7	$	72.6