Goodwill and Other Intangible Assets, Net

9 Months Ended

Sep. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets, Net

Goodwill and Other Intangible Assets, Net

The change in the carrying amount of goodwill for the period is as follows:

(in millions)
Goodwill at December 31, 2021	$	39.8
Acquisition (Note 7)	12.0
Foreign currency translation	(0.2)
Goodwill at September 30, 2022	$	51.6

The gross carrying amount, accumulated amortization and net book value of intangible assets at the end of each period were as follows:

	September 30, 2022						December 31, 2021
(in millions)	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Customer relationships	$	43.2	$	(26.4)	$	16.8	$	43.4	$	(23.4)	$	20.0
Internal-use software	32.8		(11.6)		21.2		25.5		(10.2)		15.3
Developed technology	15.4		(0.8)		14.6		—		—		—
Intellectual property	1.4		(0.3)		1.1		1.6		(0.3)		1.3
Total intangible assets	$	92.8	$	(39.1)	$	53.7	$	70.5	$	(33.9)	$	36.6

Amortization expense for intangible assets was $1.9 million and $1.6 million for the three months ended September 30, 2022 and 2021, respectively. Amortization expense for intangible assets was $5.4 million and $5.1 million for the nine months ended September 30, 2022 and 2021, respectively.