Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement, Noncash Expense [Abstract]

Summary of Stock Option Awards Outstanding

A summary of activity and weighted-average exercise prices related to the stock options were as follows:

	Shares Under Option (thousands)			Weighted-Average Exercise Price
Outstanding at December 31, 2021		562		$	18.30
Exercised		(13	)		20.92
Cancelled/forfeited/expired		(15	)		22.27
Outstanding at March 31, 2022		534		$	18.12
Vested and expected to vest at March 31, 2022		533		$	18.13
Vested and exercisable at March 31, 2022		490		$	18.48

Summary of Nonvested Restricted Stock Unit Awards

RSU awards as of March 31, 2022 and December 31, 2021, and changes during the three months ended March 31, 2022, were follows:

	Shares (thousands)			Weighted-Average Grant Date Fair Value
Nonvested at December 31, 2021		1,159		$	17.71
Granted		314			31.04
Vested		(488	)		14.71
Nonvested at March 31, 2022		985		$	23.45

Summary of Nonvested Performance Share Units

PSU awards as of March 31, 2022 and December 31, 2021, and changes during the three months ended March 31, 2022, were as follows:

	Shares (thousands)			Weighted-Average Grant Date Fair Value
Nonvested at December 31, 2021		953		$	16.77
Granted		340			26.89
Vested		(409	)		13.49
Nonvested at March 31, 2022		884		$	21.19

Schedule of Performance Period of Shares Award

PSU awards consist of four performance periods, including three annual performance periods and one three-year cumulative performance period.

Year Granted	Performance / Service Period	Estimated or Actual Attainment	PSUs Outstanding as of March 31, 2022 (Thousands)		Estimated PSU Attainment or Actual PSUs Earned (Thousands)
2022	2022	100% (a)		64		64
2022	2023	(b)		64		—
2022	2024	(b)		64		—
2022	2022-2024	100% (c)		64		64
				256		128
2021	2021	200% (d)		77		154
2021	2022	100% (a)		77		77
2021	2023	(b)		77		—
2021	2021-2023	100% (c)		77		77
				308		308
2020	2020	138% (d)		80		110
2020	2021	200% (d)		80		160
2020	2022	100% (a)		80		80
2020	2020-2022	163% (a)		80		130
				320		480

__________

(a)Amounts represent estimated attainment and estimated PSUs.

(b)As the performance period has not yet commenced, expense is not being recognized.

(c)Expense for the cumulative performance/service period is recognized at 100% of the estimated attainment until the end of the second service year.

(d)Amounts represent actual attainment and actual PSUs earned as the performance period is complete.