Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Schedule of Share-based Compensation Expense

Total share-based compensation costs that have been included in the Company’s consolidated statements of operations were as follows:

	Three Months Ended March 31,
	2022		2021
Share-Based Compensation Expense Allocation Details:
Cost of services	$	4.3	$	7.3
Selling, general and administrative	5.8		5.4
Total share-based compensation expense	$	10.1	$	12.7

Summary of Valuation Assumptions

The following table sets forth the significant assumptions used in the Black-Scholes option pricing model and the calculation of share-based compensation expense for the three months ended March 31, 2022 and 2021:

	Three Months Ended March 31,
	2022	2021
Expected dividend yield	—%	—%
Risk-free interest rate	1.4%	0.4%
Expected volatility	43%	43%
Expected term (in years)	5.5	5.5

Schedule of Stock Options Activity

A summary of the options activity during the three months ended March 31, 2022 is shown below:

	Options	Weighted- Average Exercise Price
Outstanding at December 31, 2021	4,386,205	$	3.37
Granted	1,424	25.70
Exercised	(77,438)	5.39
Canceled/forfeited	(3,750)	6.31
Expired	—	—
Outstanding at March 31, 2022	4,306,441	$	3.34
Outstanding, vested and exercisable at March 31, 2022	4,293,696	$	3.30
Outstanding, vested and exercisable at December 31, 2021	4,365,759	$	3.33

Schedule of Non-Options Awards Activity

A summary of the RSU and PBRSU activity during the three months ended March 31, 2022 is shown below:

					Weighted- Average Grant Date Fair Value
	RSUs		PBRSUs		RSU		PBRSU
Outstanding and unvested at December 31, 2021	2,218,651		3,203,013		$	16.28	$	16.45
Granted	38,151		—		25.50		—
Performance factor adjustment	—		876,109		—		10.46
Vested	(5,737)		(1,752,218)		14.28		10.46
Forfeited	(39,862)		(2,832)		16.25		27.28
Outstanding and unvested at March 31, 2022	2,211,203		2,324,072		$	16.44	$	18.70
Shares surrendered for taxes for the three months ended March 31, 2022	2,198		725,570
Cost of shares surrendered for taxes for the three months ended March 31, 2022 (in millions)	$	—	$	18.7
Shares surrendered for taxes for the three months ended March 31, 2021	2,201		—
Cost of shares surrendered for taxes for the three months ended March 31, 2021 (in millions)	$	—	$	—