Summary of Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule for Company's Allowance for Doubtful Accounts

Changes in the Company's allowance for credit losses by segment follows:

(in millions)	CCM		CWT		CIT		CFT		Corporate		Total
Balance as of December 31, 2020	$	1.8	$	0.6	$	1.3	$	0.8	$	0.5	$	5.0
Current period provision	0.9		0.2		(0.1)		0.2		—		1.2
Amounts acquired	—		0.3		—		—		—		0.3
Amounts written off	(0.6)		(0.1)		—		—		(0.5)		(1.2)
Balance as of December 31, 2021	$	2.1	$	1.0	$	1.2	$	1.0	$	—	$	5.3
Current period provision	0.7		1.7		0.1		(0.5)		—		2.0
Amounts written off	(0.4)		(0.1)		(0.3)		(0.2)		—		(1.0)
Balance as of December 31, 2022	$	2.4	$	2.6	$	1.0	$	0.3	$	—	$	6.3