GOODWILL AND INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Carrying Amounts of Goodwill and Intangible Assets

The following tables show the carrying amounts of goodwill and intangible assets:

	December 31, 2024
	Cost		Accumulated Amortization and Impairment		Carrying Amount
Goodwill	$	395.9	$	55.4	$	340.5
Intellectual property	$	112.0	$	111.4	$	0.6
Other intangible assets	693.9		403.6		290.3
Computer software assets	313.3		296.2		17.1
	$	1,119.2	$	811.2	$	308.0

	December 31, 2023
	Cost		Accumulated Amortization and Impairment		Carrying Amount
Goodwill	$	377.1	$	55.4	$	321.7
Intellectual property	$	111.3	$	111.3	$	—
Other intangible assets	672.3		371.9		300.4
Computer software assets	310.8		292.9		17.9
	$	1,094.4	$	776.1	$	318.3

Schedule of Changes in the Carrying Amount of Goodwill

The following table details the changes to the carrying amount of goodwill for the years indicated:

	Year ended December 31
	2024		2023
Opening balance	$	321.7	$	321.8
Acquisitions through business combinations (see note 3)	19.4		—
Foreign exchange	(0.6)		(0.1)
Ending balance	$	340.5	$	321.7

At December 31, 2024, our goodwill balance consists of the following:

	Reportable Segment	Amount
Capital Equipment reporting unit:	ATS
Goodwill attributable to acquisition of Impakt Holdings, LLC in November 2018		$	111.5
Goodwill attributable to prior acquisitions		19.5
Aerospace and Defense (A&D) reporting unit:	ATS
Goodwill attributable to acquisition of Atrenne Integrated Solutions, Inc. in April 2018		62.6
Goodwill attributable to prior acquisitions		3.7
PCI Private Limited (PCI) reporting unit: Goodwill attributable to acquisition of PCI in November 2021	ATS	123.8
NCS reporting unit:     Goodwill attributable to acquisition of NCS in April 2024 (see note 3)	CCS	19.4
		$	340.5

Schedule of Estimated Amortization Expenses of Intangible Assets

Estimated amortization expenses of intangible assets for each of the five succeeding fiscal years and thereafter are as follows:

2025	$	43.2
2026	43.4
2027	41.8
2028	37.7
2029	36.3
Thereafter	105.6
	$	308.0