STOCK-BASED COMPENSATION PLANS (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Changes in Unvested Restricted Stock

The following is a summary of changes in unvested restricted stock:

	RSAs	Weighted-Average Price
Unvested shares at December 31, 2020	441,709	$	28.86
2021 Activity:
Granted	693,019	32.78
Vested	(615,736)	33.25
Forfeited	(17,611)	29.61
Unvested shares at December 31, 2021	501,381	$	28.87

Schedule of SARS Activity

The following is a summary of the 2021 activity: 

	SARs	Weighted-Average Price
Outstanding SARs at December 31, 2020	3,205,562	$	23.32
2021 Activity:
Granted	1,343,693	33.05
Exercised	(2,254,008)	20.99
Outstanding SARs at December 31, 2021	2,295,247	$	31.29

Schedule of Assumptions Used to Estimate the Value of Stock Options Under ESPP

Valuation of SARS. Our SARs were valued using the Black-Scholes pricing model utilizing the following assumptions:

	2021		2020		2019
Risk-free interest rate	0.6	%	1.2% - 1.6%		2.5	%
Expected years to exercise	5 years		5 years		5 years
Expected volatility	48.2	%	35.0	%	33.8	%
Annual dividend yield	2.5	%	2.4% - 2.9%		2.5	%