Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2022

Stockholders' Equity Note [Abstract]

Summary of Stock Option Activity

The following table summarizes the stock option activity under the Company’s plan for the year to date period ended June 30, 2022:

	Weighted Average Remaining Contractual Life in Years		Options (In thousands)		Weighted- average grant date fair value		Aggregate Intrinsic Value (In millions)
Outstanding at January 1, 2022				500.0	$	39.26
Granted				176.2		45.05
Outstanding at June 30, 2022		8.1		676.2	$	40.77	$	0.9
Exercisable at June 30, 2022		7.3		241.3	$	35.87	$	0.6
Unvested and expected to vest at June 30, 2022		8.5		412.0	$	43.34	$	0.4

Summary of Restricted Stock Unit Activity

The following table summarizes the Restricted Stock Unit activity under the Company’s plan for the year to date period ended June 30, 2022:

	Shares (In thousands)			Weighted- average grant date fair value		Aggregate Intrinsic Value (In millions)
Unvested at January 1, 2022		420.5		$	42.21
Granted		190.0			44.53
Vested		(91.1	)		38.72
Canceled/Forfeited		(2.6	)		44.80
Unvested at June 30, 2022		516.8		$	43.66	$	18.2

Summary of Performance Share Awards Activity

The following table summarizes the Performance Share Award activity under the Company’s plan for the year to date period ended June 30, 2022:

	Shares (In thousands)			Weighted- average grant date fair value		Aggregate Intrinsic Value (In millions)
Unvested at January 1, 2022		286.5		$	40.23
Granted		82.1			45.45
Vested		(125.9	)		32.02
Unvested at June 30, 2022		242.7		$	46.64	$	8.6