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Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Other Intangible Assets

The following table analyzes other intangible assets movement for 2024 and 2023.


(in millions)		2024				2023
Gross cost at January 1		$	315.1			$	291.1
Additions			24.3				22.4
Exchange effect			(7.5	)			1.6
Gross cost at December 31			331.9				315.1
Accumulated amortization at January 1			(257.8	)			(246.1	)
Amortization expense			(12.6	)			(10.6	)
Exchange effect			3.9				(1.1	)
Accumulated amortization at December 31			(266.5	)			(257.8	)
Net book amount at December 31		$	65.4			$	57.3

Schedule of Amortization Expense

Other intangible assets at December 31, 2024 were:


(in millions)		Gross carrying amount				Accumulated amortization
Product rights		$	34.0			$	(34.0	)
Brand names			8.9				(8.9	)
Technology			55.1				(44.6	)
Customer relationships			130.6				(111.9	)
Internally developed software			78.7				(42.5	)
Other			24.6				(24.6	)
		$	331.9			$	(266.5	)

Other intangible assets at December 31, 2023 were:


(in millions)		Gross carrying amount				Accumulated amortization
Product rights		$	34.0			$	(34.0	)
Brand names			8.9				(8.4	)
Technology			55.1				(42.3	)
Customer relationships			131.6				(105.4	)
Internally developed software			60.5				(42.7	)
Other			25.0				(25.0	)
		$	315.1			$	(257.8	)

Future amortization expense is estimated to be as follows for the next five years:


(in millions)
2025		$	11.1
2026		$	10.9
2027		$	7.4
2028		$	7.1
2029		$	6.2