Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Other Intangible Assets

The following table summarizes the other intangible assets movements:

(in millions)	2020
Gross cost at January 1	$	294.8
Exchange effect		(0.9	)
Gross cost at March 31		293.9
Accumulated amortization at January 1		(181.3	)
Amortization expense		(5.8	)
Exchange effect		0.3
Accumulated amortization at March 31		(186.8	)
Net book amount at March 31	$	107.1

Schedule of Amortization Expense

The net book amount by category of other intangible assets is shown in the following table:

(in millions)	March 31 2020		December 31 2019
Product rights	$	9.1	$	10.1
Brand names		2.7		2.9
Technology		31.7		32.6
Customer relationships		57.7		60.8
Internally developed software		5.9		7.1
	$	107.1	$	113.5