Significant Accounting Policies and Practices (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of Transactions Affecting Allowance for Doubtful Accounts

Transactions affecting the allowance for doubtful accounts during the years ended December 31, 2022, 2021 and 2020 were as follows:

(millions)	December 31, 2022		December 31, 2021			December 31, 2020
Beginning Balance	$	3.5	$	5.1		$	1.9
Provision for credit losses		0.5		0.8			6.4
Write offs and other		—		(2.4	)		(3.2	)
Ending Balance	$	4.0	$	3.5		$	5.1

Components of Accrued and Other Current Liabilities

Components of Accrued and other current liabilities as of December 31, 2022 and 2021 were as follows:

(millions)	December 31, 2022		December 31, 2021
Accrued rent	$	21.4	$	19.0
Compensation and payroll withholdings		29.2		25.6
Property, payroll and other taxes		7.8		6.9
Accrued insurance		24.0		20.0
Contract liabilities		17.4		15.7
Contingent consideration		1.8		—
Accrued expenses		36.0		36.1
Accrued and other current liabilities	$	137.6	$	123.3

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

Recently Adopted Accounting Pronouncements

During the year ended December 31, 2022, the Company adopted the following Accounting Standard Updates ("ASU"), none of which had a material impact on the Consolidated Financial Statements or financial statement disclosures.

ASU	Topic	Method of Adoption
2021-10	Government assistant (Topic 832): Disclosure by Business Entities about Government Assistance	Prospective
2021-08	Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers	Prospective