Segments and Related Information (Tables)

6 Months Ended

Jun. 30, 2023

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:	2023		2022		2023		2022
Communications (a)	$	868.7	$	822.0	$	1,675.2	$	1,486.2
Clean Energy and Infrastructure	969.7		494.5		1,794.6		930.4
Oil and Gas	341.8		341.2		598.3		552.2
Power Delivery	702.6		646.5		1,412.0		1,296.9
Other	—		—		—		—
Eliminations	(8.7)		(2.4)		(21.3)		(9.5)
Consolidated revenue	$	2,874.1	$	2,301.8	$	5,458.8	$	4,256.2

(a)    Revenue generated primarily by utilities customers represented 23.6% and 24.1% of Communications segment revenue for the three month periods ended June 30, 2023 and 2022, respectively, and represented 23.6% and 24.8% for the six month periods ended June 30, 2023 and 2022, respectively.

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
EBITDA:	2023		2022		2023		2022
Communications	$	89.5	$	84.2	$	142.3	$	124.6
Clean Energy and Infrastructure	33.2		(5.2)		38.5		5.6
Oil and Gas	77.0		62.8		91.5		84.2
Power Delivery	57.1		41.4		104.5		87.5
Other	6.8		7.4		13.9		14.4
Segment EBITDA	$	263.6	$	190.6	$	390.7	$	316.3

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Depreciation and Amortization:	2023		2022		2023		2022
Communications	$	34.0	$	30.7	$	68.6	$	59.7
Clean Energy and Infrastructure	31.7		11.7		70.1		23.1
Oil and Gas	36.6		32.2		70.9		63.8
Power Delivery	40.2		36.8		79.4		72.5
Other	—		—		—		—
Corporate	2.6		3.3		5.3		6.4
Consolidated depreciation and amortization	$	145.1	$	114.7	$	294.3	$	225.5

Assets:	June 30, 2023		December 31, 2022
Communications	$	2,495.2	$	2,378.6
Clean Energy and Infrastructure	2,819.6		2,979.9
Oil and Gas	1,692.1		1,544.2
Power Delivery	1,856.8		1,967.9
Other	307.6		297.3
Corporate	116.5		125.4
Consolidated assets	$	9,287.8	$	9,293.3

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:	2023		2022		2023		2022
Income (loss) before income taxes	$	19.7	$	18.2	$	(105.6)	$	(29.9)
Plus:
Interest expense, net	59.4		19.4		112.1		35.4
Depreciation	103.0		87.0		210.3		172.2
Amortization	42.0		27.7		84.0		53.3
Corporate EBITDA	39.4		38.3		89.9		85.3
Segment EBITDA	$	263.6	$	190.6	$	390.7	$	316.3