Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of Cash and Cash Equivalents

The following table reconciles cash, cash equivalents, and restricted cash per the Consolidated Statements of Cash Flows to the Consolidated Balance Sheets:

	December 31, 2022		December 31, 2021
	(in millions)
Cash and cash equivalents	$	466.1	$	678.5
Restricted cash	27.3		—
Total cash, cash equivalents, and restricted cash	$	493.4	$	678.5

Schedule of Restricted Cash

The following table reconciles cash, cash equivalents, and restricted cash per the Consolidated Statements of Cash Flows to the Consolidated Balance Sheets:

	December 31, 2022		December 31, 2021
	(in millions)
Cash and cash equivalents	$	466.1	$	678.5
Restricted cash	27.3		—
Total cash, cash equivalents, and restricted cash	$	493.4	$	678.5

Schedule of Property and Equipment, net

The estimated useful lives used in computing depreciation and amortization are as follows:

	Estimated Useful Life
Leasehold improvements	Shorter of lease term or asset life
Computer equipment and software	3 - 5 years
Furniture and fixtures	3 - 7 years

Property and equipment, net were as follows as of each of the dates presented:

	December 31, 2022		December 31, 2021
	(in millions)
Computer equipment	$	26.3	$	22.0
Leasehold improvements	18.8		14.4
Furniture and fixtures	8.8		6.5
Software	2.4		2.5
Projects in progress	0.9		0.7
Property and equipment, gross	57.2		46.1
Less: Accumulated depreciation and amortization	(35.3)		(24.6)
Property and equipment, net	$	21.9	$	21.5