Significant Accounting Policies and Practices (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of Transactions Affecting Allowance for Doubtful Accounts Receivable

Transactions affecting the allowance for doubtful accounts receivable for the years ended December 31, 2021, 2020 and 2019 were as follows:

(millions)	December 31, 2021			December 31, 2020			December 31, 2019
Beginning Balance	$	5.1		$	1.9		$	1.0
Provision for credit losses		0.8			6.4			1.1
Write offs and other		(2.4	)		(3.2	)		(0.2	)
Ending Balance	$	3.5		$	5.1		$	1.9

Components of Accrued and Other Current Liabilities

Components of accrued and other current liabilities for the years ended December 31, 2021 and 2020 were as follows:

(millions)	December 31, 2021		December 31, 2020
Accrued rent	$	19.0	$	17.3
Compensation and payroll withholdings		25.6		32.0
Property, payroll and other taxes		6.9		4.8
Accrued insurance		20.0		20.1
Accrued expenses		51.8		38.5
Accrued and other current liabilities	$	123.3	$	112.7

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

Recently Adopted Accounting Pronouncements

During the year ended December 31, 2021, the Company adopted the following ASUs, all of which did not have a material impact on the Consolidated Financial Statements or financial statement disclosures.

ASU	Topic	Method of Adoption
2021-01	Reference Rate Reform (Topic 848): Scope	Prospective
2020-10	Codification Improvements	Prospective
2020-03	Codification Improvements to Financial Instruments	Prospective
2020-01	Investments - equity securities; Investment-Equity Method and Joint Ventures; Derivatives and Hedging	Prospective