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Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Intangible assets other than goodwill [abstract]

Summary of Intangible Assets


			Client Relationships			Contract Backlog			Software			Other			Total
			$			$			$			$			$
Cost
December 31, 2019			325.3			13.7			65.0			2.3			406.3


Additions			—			—			3.4			—			3.4
Additions arising on acquisitions			9.8			2.7			—			0.2			12.7

Removal of fully amortized assets			(9.7)			(14.3)			(27.4)			(0.5)			(51.9)
Impact of foreign exchange			(0.4)			0.5			(1.7)			—			(1.6)
December 31, 2020			325.0			2.6			39.3			2.0			368.9
Additions			—			—			48.5			0.7			49.2
Additions arising on acquisitions			152.6			51.5			—			1.6			205.7
Removal of fully amortized assets			(8.7)			(4.1)			(13.0)			(0.2)			(26.0)
Impact of foreign exchange			(5.7)			0.2			(0.1)			—			(5.6)
December 31, 2021			463.2			50.2			74.7			4.1			592.2
Accumulated amortization
December 31, 2019			142.9			8.8			34.5			0.5			186.7


Amortization			31.6			5.0			16.6			—			53.2


Removal of fully amortized assets			(9.7)			(14.3)			(27.4)			(0.5)			(51.9)
Impact of foreign exchange			(1.6)			0.5			—			—			(1.1)
December 31, 2020			163.2			—			23.7			—			186.9
Amortization			32.5			6.8			20.4			0.3			60.0
Removal of fully amortized assets			(8.7)			(4.1)			(13.0)			(0.2)			(26.0)
Impact of foreign exchange			(2.0)			0.1			(0.1)			—			(2.0)
December 31, 2021			185.0			2.8			31.0			0.1			218.9
Net book value
December 31, 2020			161.8			2.6			15.6			2.0			182.0
December 31, 2021			278.2			47.4			43.7			4.0			373.3