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STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Changes in Outstanding Stock Options

Stock options and stock appreciation rights outstanding at December 31, 2020 and changes during the year ended December 31, 2020 were as follows:

			December 31, 2020
			Shares						Weighted Average Exercise Price						Weighted Average Remaining Contractual Term (In Years)						Aggregate Intrinsic Value
			(Shares and intrinsic value in thousands)
Outstanding at January 1, 2020			23,984						$	3.89
Granted			—						—
Exercised			(12,931)						3.18
Forfeited			(352)						6.16
Expired			(12)						15.03
Outstanding at December 31, 2020			10,689						$	4.67					5.68						$	92.08
Exercisable			8,944						$	4.59					5.59						$	77.97

Schedule of Information for Stock Options Outstanding and Exercisable

The following table summarizes the information about stock options and stock appreciation rights outstanding and exercisable at December 31, 2020:

						Awards Outstanding																		Awards Exercisable
Range of Exercise Prices						Outstanding at December 31, 2020						Weighted average remaining contractual life in years						Weighted average exercise price						Exercisable at December 31, 2020						Weighted average remaining contractual life in years						Weighted average exercise price
						(Shares in thousands)
$0.01 to $3.00						2,864						4.9						$	2.29					2,864						4.9						$	2.29
$3.01 to $6.00						6,814						6.1						4.53						5,213						6.1						4.53
$6.01 to $9.00						106						4.0						8.04						106						4						8.04
$9.01 to $12.00						405						6.0						10.54						324						5.7						10.47
$12.01 to $15.00						369						5.5						12.94						306						5.3						12.98
$15.01 to $18.00						—						—						—						—						—						—
$18.01 to$21.00						115						2.2						19.88						115						2.2						19.88
$21.01 to $24.00						16						2.6						22.02						16						2.6						22.02
						10,689						5.7						$	4.67					8,944						5.6						$	4.59

Schedule of Outstanding Unvested RSUs

Unvested RSUs, MSUs and PSUs outstanding at December 31, 2020 and changes during the year ended December 31, 2020 are as follows:

			RSUs												MSUs												PSUs
			Number of Shares						Weighted Average Grant Date Fair Value						Number of Shares (a)						Weighted Average Grant Date Fair Value						Number of Shares (a)						Weighted Average Grant Date Fair Value
			(Shares in thousands)
Unvested at January 1, 2020			5,660						$	15.29					3,503						$	3.62					881						$	15.89
Granted			6,962						7.37						—						—						1,844						6.92
Vested			(2,128)						13.78						(738)						6.8						—						—
Forfeited			(934)						11.93						(269)						6.8						(767)						16.4
Unvested at December 31, 2020			9,560						$	10.19					2,496						$	7.82					1,958						$	5.11

___________________________

(a)    Included in the table are MSUs and PSUs which vests in varying amounts depending upon certain market or performance conditions. The MSUs and PSUs in the table above includes these awards at their maximum potential payout.

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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