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SEGMENT AND CUSTOMER REPORTING (Tables)

9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Information regarding each reportable segment for the periods indicated is set forth below:

Revenue by segment:			Three months ended September 30																		Nine months ended September 30
			2025									2024									2025									2024
						% of total									% of total									% of total									% of total
ATS			$	781.0		24		%				$	814.1		33		%				$	2,407.3		28		%				$	2,349.7		33		%
CCS
Communications			$	1,942.9		61		%				$	1,067.3		42		%				$	5,011.8		57		%				$	2,766.7		39		%
Enterprise			470.1			15		%				618.1			25		%				1,316.9			15		%				1,983.9			28		%
			$	2,413.0		76		%				$	1,685.4		67		%				$	6,328.7		72		%				$	4,750.6		67		%
Total revenue			$	3,194.0								$	2,499.5								$	8,736.0								$	7,100.3

Segment Costs by segment:			Three months ended September 30												Nine months ended September 30
			2025						2024						2025						2024
ATS cost of sales			$	698.0					$	746.1					$	2,150.6					$	2,148.2
ATS other Segment Costs			40.2						27.9						129.7						94.4
CCS cost of sales			2,121.6						1,484.8						5,581.8						4,212.9
CCS other Segment Costs			92.0						71.9						229.2						195.8
Total Segment Costs			$	2,951.8					$	2,330.7					$	8,091.3					$	6,651.3

Schedule of Reconciliation of Operating Profit (Loss) from Segments to Consolidated

Segment income, segment margin, and reconciliation of segment income to earnings before income taxes:						Three months ended September 30																		Nine months ended September 30
			Note			2025									2024									2025									2024
									Segment Margin									Segment Margin									Segment Margin									Segment Margin
ATS segment income and margin						$	42.8		5.5		%				$	40.1		4.9		%				$	127.0		5.3		%				$	107.1		4.6		%
CCS segment income and margin						199.4			8.3		%				128.7			7.6		%				517.7			8.2		%				341.9			7.2		%
Total segment income						242.2									168.8									644.7									449.0
Reconciling items:
Finance costs						12.8									11.2									40.0									40.2
Miscellaneous expense			12			1.3									2.8									4.4									13.8
Foreign currency forward contracts transitional adjustments						—									(0.5)									—									(1.7)
Employee SBC expense						15.6									12.7									56.8									47.3
TRS fair value adjustment (TRS FVA): losses (gains)						(113.3)									7.7									(191.6)									(39.5)
Amortization of intangible assets (excluding computer software)						10.0									9.9									29.9									28.9
Restructuring and other charges, net of recoveries			11			4.9									1.0									23.3									17.3
Earnings before income taxes						$	310.9								$	124.0								$	681.9								$	342.7

X

- Definition

Tabular disclosure of the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-31

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

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