Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2023

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


Revenue by segment:	Year ended December 31
	2021				2022				2023
			% of Total				% of Total				% of Total
ATS	$	2,315.1	41%		$	2,979.0	41%		$	3,319.8	42%
CCS	3,319.6		59%		4,271.0		59%		4,641.2		58%
Communications revenue as a % of total revenue			40	%			40	%			33	%
Enterprise revenue as a % of total revenue			19	%			19	%			25	%
Total	$	5,634.7			$	7,250.0			$	7,961.0

Information by Reportable Segment


Segment income, segment margin, and reconciliation of segment income to IFRS earnings before income taxes:	Year ended December 31
	2021				2022				2023
			Segment Margin				Segment Margin				Segment Margin
ATS segment income and margin	$	105.0	4.5	%	$	140.9	4.7	%	$	156.1	4.7	%
CCS segment income and margin	128.9		3.9	%	217.1		5.1	%	289.1		6.2	%
Total segment income	233.9				358.0				445.2

Reconciling items:
Finance costs	31.7				59.7				76.6
Employee SBC expense (note 12)	33.4				51.0				55.6
TRS FVAs (gains) (note 12)	—				—				(45.6)
Amortization of intangible assets (excluding computer software)	22.5				37.0				36.8
Other charges, net of recoveries (note 15)	10.3				6.7				15.2
IFRS earnings before income taxes	$	136.0			$	203.6			$	306.6

Disclosure of Geographical Areas

The following table details our external revenue allocated by manufacturing location among countries that generated 10% or more of total revenue for the years indicated:


	Year ended December 31
	2021		2022		2023

Thailand	36	%	44	%	46	%
China	16	%	11	%	*
Malaysia	13	%	12	%	11	%
Canada	*		*		*

* Less than 10%.

The following table details our allocation of PP&E and ROU assets among countries that represented 10% or more of total PP&E and ROU assets for the years indicated:


	December 31
	2022		2023

Thailand	18	%	25	%



United States	25	%	24	%
Canada	*		*

* Less than 10%.

The following table details our allocation of intangible assets and goodwill among countries that represented 10% or more of total intangible assets and goodwill for the years indicated:


	December 31
	2022		2023
United States	48	%	48	%
Singapore	42	%	41	%
Canada	*		*

* Less than 10%.