Share-Based Incentive Plan (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

The following table summarizes stock awards (stock options and SARs) activity under the Plan and 2003 LTIP:


	Number of Shares Under Stock Awards	Weighted Average Exercise Price per Share
Outstanding at December 31, 2018	6,815,278	$	36.61
Granted	829,322	26.18
Exercised	(580,950)	14.40
Forfeited	(715,941)	39.40

Outstanding at December 31, 2019	6,347,709	$	36.97
Granted	814,351	17.37
Exercised	(27,615)	21.13
Forfeited	(422,714)	25.74
Outstanding at December 31, 2020	6,711,731	$	35.36


Forfeited	(1,135,241)	26.39
Outstanding at December 31, 2021	5,576,490	$	37.19
Vested and expected to vest at December 31, 2021	5,487,788	$	37.45
Exercisable at December 31, 2021	4,969,602	$	39.21

Nonvested Restricted Stock and Restricted Stock Unit, Including Performance Units, Activity

A summary of the status of the Company’s nonvested restricted stock awards (restricted stock and restricted stock unit awards, including PSUs), as of December 31, 2020 and the changes during the year ended December 31, 2021 are presented below:


	Number of Restricted Stock Awards	Weighted Average Grant-Date Fair Value Per Share
Nonvested at December 31, 2020	12,073,790	$	18.34
Granted	9,850,443	14.46
Released	(3,168,152)	24.65
Forfeited	(1,897,953)	15.33
Nonvested at December 31, 2021	16,858,128	$	15.12

Long Term Incentive Plan 2003

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Stock-Based Compensation Plans, Valuation Assumptions

There were no options granted during the year ended December 31, 2021. The assumptions used for options granted under the Plan and 2003 LTIP during the years ended December 31, 2020 and 2019, respectively, are as follows:


	Year Ended December 31,
	2020	2019
Volatility	46.7%	38.1%
Risk-free interest rate	1.0%	2.5%
Expected term (years)	6.5	6.5
Forfeiture rate	5.5%	5.5%
Weighted average grant date fair value per option	$8.07	$11.03