Goodwill and Other Intangible Assets, Net (Tables)

6 Months Ended

Jun. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes in Carrying Amount of Goodwill

The change in the carrying amount of goodwill for the six months ended June 30, 2021 was as follows:

	(in millions)
Goodwill at December 31, 2020	$	39.8
Foreign currency translation	0.1
Goodwill at June 30, 2021	$	39.9

Schedule of Components of Other Intangible Assets

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

	June 30, 2021						December 31, 2020
(in millions)	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Customer relationships	$	43.4	$	(20.9)	$	22.5	$	43.3	$	(18.3)	$	25.0
Internal-use software	19.0		(9.5)		9.5		11.4		(8.6)		2.8
Intellectual property	1.6		(0.2)		1.4		1.1		(0.2)		0.9
Total intangible assets	$	64.0	$	(30.6)	$	33.4	$	55.8	$	(27.1)	$	28.7