Segments and Related Information (Tables)

6 Months Ended

Jun. 30, 2024

Segment Reporting [Abstract]

Schedule of Financial Information by Reportable Segment

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Revenue:	2024		2023		2024		2023
Communications (a)	$	824.6	$	868.7	$	1,557.5	$	1,675.2
Clean Energy and Infrastructure	942.3		969.7		1,695.8		1,794.6
Power Delivery	636.6		702.6		1,207.5		1,412.0
Oil and Gas	572.4		341.8		1,206.2		598.3
Other	—		—		—		—
Eliminations	(14.8)		(8.7)		(19.1)		(21.3)
Consolidated revenue	$	2,961.1	$	2,874.1	$	5,647.9	$	5,458.8

(a)    Revenue generated primarily by utilities customers represented 25.0% and 23.6% of Communications segment revenue for the three month periods ended June 30, 2024 and 2023, respectively, and represented 26.3% and 23.6% for the six month periods ended June 30, 2024 and 2023, respectively.

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
EBITDA:	2024		2023		2024		2023
Communications	$	81.9	$	89.5	$	130.7	$	142.3
Clean Energy and Infrastructure	47.4		33.2		67.8		38.5
Power Delivery	51.4		57.1		78.7		104.5
Oil and Gas	135.1		77.0		227.8		91.5
Other	2.8		6.8		9.8		13.9
Segment EBITDA	$	318.6	$	263.6	$	514.8	$	390.7

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Depreciation and Amortization:	2024		2023		2024		2023
Communications	$	32.3	$	34.0	$	65.7	$	68.6
Clean Energy and Infrastructure	31.2		31.7		63.5		70.1
Power Delivery	34.1		40.2		68.3		79.4
Oil and Gas	35.7		36.6		74.3		70.9
Other	—		—		—		—
Corporate	2.5		2.6		5.1		5.3
Consolidated depreciation and amortization	$	135.8	$	145.1	$	276.9	$	294.3

Assets:	June 30, 2024		December 31, 2023
Communications	$	2,148.4	$	2,332.2
Clean Energy and Infrastructure	2,650.3		2,978.8
Power Delivery	1,741.9		1,837.1
Oil and Gas	1,690.2		1,758.0
Other	317.2		305.0
Corporate	131.0		162.4
Consolidated assets	$	8,679.0	$	9,373.5

Reconciliation of Consolidated Income before Income Taxes to EBITDA

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
EBITDA Reconciliation:	2024		2023		2024		2023
Income (loss) before income taxes	$	63.1	$	19.7	$	17.6	$	(105.6)
Plus:
Interest expense, net	50.6		59.4		102.6		112.1
Depreciation	102.1		103.0		209.6		210.3
Amortization	33.6		42.0		67.3		84.0
Corporate EBITDA	69.2		39.4		117.7		89.9
Segment EBITDA	$	318.6	$	263.6	$	514.8	$	390.7