Preferred and Common Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2022

Equity [Abstract]

Summary of Common Shares Issued and Outstanding

Common stock issued and outstanding

	Nine months ended September 30,
(in millions)	2022	2021
Beginning common stock issued and outstanding	80.0	75.4
Common stock issued upon exercise of options, vesting of restricted stock units, and purchases under employee stock purchase plan	0.9	4.3
Common stock issued and outstanding at end of period	80.9	79.7

Reconciliation of Denominators of Basic and Diluted Earnings Per Share Computations

The following is a reconciliation of the denominators of the basic and diluted earnings per share (“EPS”) computations:

	Three months ended September 30,		Nine months ended September 30,
(in millions)	2022	2021	2022	2021
Denominator:
Weighted-average shares outstanding used to compute basic EPS	80.7	78.8	80.4	77.3
Effect of dilutive shares	—	2.7	—	—
Weighted-average shares outstanding and dilutive securities used to compute diluted EPS	80.7	81.5	80.4	77.3

Schedule of Potential Dilutive Common Shares

These potential dilutive shares of common stock, which may be dilutive to future diluted earnings per share, are as follows:

	Three months ended September 30,		Nine months ended September 30,
(in millions)	2022	2021	2022	2021
Anti-dilutive options and RSUs excluded from EPS computation	4.5	0.1	4.5	4.9