Intangible Assets Subject to Amortization (Tables)

12 Months Ended

Dec. 31, 2021

Intangible Assets Subject to Amortization

Schedule of intangible assets subject to amortization consist primarily of customer relationships and changes in the carrying amounts

	January 1,						December 31,
	2021		Acquisitions		Amortization		2021
	(in millions)
Other	$	1.9	$	0.2	$	(0.4)	$	1.7

	January 1,						December 31,
	2020		Acquisitions		Amortization		2020
	(in millions)
Customer relationships	$	0.4	$	0.1	$	(0.5)	$	—
Other		2.3		—		(0.4)		1.9
	$	2.7	$	0.1	$	(0.9)	$	1.9

Schedule of amortization expenses of the intangible assets

Scheduled amortization of the Company’s intangible assets as of December 31, 2021 for the next five years is as follows (in millions):

2022	$	0.4
2023		0.4
2024		0.3
2025		0.2
2026		0.2
Thereafter		0.2
	$	1.7